20296980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:116

約数の個数: 240

約数和(自身を含む): 74644416

約数和(自身を除く): 54347436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 27, 30, 33, 34, 36, 44, 45, 51, 54, 55, 60, 66, 67, 68, 81, 85, 90, 99, 102, 108, 110, 132, 134, 135, 153, 162, 165, 170, 180, 187, 198, 201, 204, 220, 255, 268, 270, 297, 306, 324, 330, 335, 340, 374, 396, 402, 405, 459, 495, 510, 540, 561, 594, 603, 612, 660, 670, 737, 748, 765, 804, 810, 891, 918, 935, 990, 1005, 1020, 1122, 1139, 1188, 1206, 1340, 1377, 1474, 1485, 1530, 1620, 1683, 1782, 1809, 1836, 1870, 1980, 2010, 2211, 2244, 2278, 2295, 2412, 2754, 2805, 2948, 2970, 3015, 3060, 3366, 3417, 3564, 3618, 3685, 3740, 4020, 4422, 4455, 4556, 4590, 5049, 5427, 5508, 5610, 5695, 5940, 6030, 6633, 6732, 6834, 6885, 7236, 7370, 8415, 8844, 8910, 9045, 9180, 10098, 10251, 10854, 11055, 11220, 11390, 12060, 12529, 13266, 13668, 13770, 14740, 15147, 16830, 17085, 17820, 18090, 19899, 20196, 20502, 21708, 22110, 22780, 25058, 25245, 26532, 27135, 27540, 30294, 30753, 33165, 33660, 34170, 36180, 37587, 39798, 41004, 44220, 50116, 50490, 51255, 54270, 59697, 60588, 61506, 62645, 66330, 68340, 75174, 75735, 79596, 92259, 99495, 100980, 102510, 108540, 112761, 119394, 123012, 125290, 132660, 150348, 151470, 153765, 184518, 187935, 198990, 205020, 225522, 238788, 250580, 298485, 302940, 307530, 338283, 369036, 375870, 397980, 451044, 461295, 563805, 596970, 615060, 676566, 751740, 922590, 1014849, 1127610, 1193940, 1353132, 1691415, 1845180, 2029698, 2255220, 3382830, 4059396, 5074245, 6765660, 10148490, 20296980]

約数ペア:

[(1, 20296980), (2, 10148490), (3, 6765660), (4, 5074245), (5, 4059396), (6, 3382830), (9, 2255220), (10, 2029698), (11, 1845180), (12, 1691415), (15, 1353132), (17, 1193940), (18, 1127610), (20, 1014849), (22, 922590), (27, 751740), (30, 676566), (33, 615060), (34, 596970), (36, 563805), (44, 461295), (45, 451044), (51, 397980), (54, 375870), (55, 369036), (60, 338283), (66, 307530), (67, 302940), (68, 298485), (81, 250580), (85, 238788), (90, 225522), (99, 205020), (102, 198990), (108, 187935), (110, 184518), (132, 153765), (134, 151470), (135, 150348), (153, 132660), (162, 125290), (165, 123012), (170, 119394), (180, 112761), (187, 108540), (198, 102510), (201, 100980), (204, 99495), (220, 92259), (255, 79596), (268, 75735), (270, 75174), (297, 68340), (306, 66330), (324, 62645), (330, 61506), (335, 60588), (340, 59697), (374, 54270), (396, 51255), (402, 50490), (405, 50116), (459, 44220), (495, 41004), (510, 39798), (540, 37587), (561, 36180), (594, 34170), (603, 33660), (612, 33165), (660, 30753), (670, 30294), (737, 27540), (748, 27135), (765, 26532), (804, 25245), (810, 25058), (891, 22780), (918, 22110), (935, 21708), (990, 20502), (1005, 20196), (1020, 19899), (1122, 18090), (1139, 17820), (1188, 17085), (1206, 16830), (1340, 15147), (1377, 14740), (1474, 13770), (1485, 13668), (1530, 13266), (1620, 12529), (1683, 12060), (1782, 11390), (1809, 11220), (1836, 11055), (1870, 10854), (1980, 10251), (2010, 10098), (2211, 9180), (2244, 9045), (2278, 8910), (2295, 8844), (2412, 8415), (2754, 7370), (2805, 7236), (2948, 6885), (2970, 6834), (3015, 6732), (3060, 6633), (3366, 6030), (3417, 5940), (3564, 5695), (3618, 5610), (3685, 5508), (3740, 5427), (4020, 5049), (4422, 4590), (4455, 4556)]