20356380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 72576000

約数和(自身を除く): 52219620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 27, 30, 33, 36, 44, 45, 46, 54, 55, 60, 66, 69, 90, 92, 99, 108, 110, 115, 132, 135, 138, 149, 165, 180, 198, 207, 220, 230, 253, 270, 276, 297, 298, 330, 345, 396, 414, 447, 460, 495, 506, 540, 594, 596, 621, 660, 690, 745, 759, 828, 894, 990, 1012, 1035, 1188, 1242, 1265, 1341, 1380, 1485, 1490, 1518, 1639, 1788, 1980, 2070, 2235, 2277, 2484, 2530, 2682, 2970, 2980, 3036, 3105, 3278, 3427, 3795, 4023, 4140, 4470, 4554, 4917, 5060, 5364, 5940, 6210, 6556, 6705, 6831, 6854, 7590, 8046, 8195, 8940, 9108, 9834, 10281, 11385, 12420, 13410, 13662, 13708, 14751, 15180, 16092, 16390, 17135, 19668, 20115, 20562, 22770, 24585, 26820, 27324, 29502, 30843, 32780, 34155, 34270, 37697, 40230, 41124, 44253, 45540, 49170, 51405, 59004, 61686, 68310, 68540, 73755, 75394, 80460, 88506, 92529, 98340, 102810, 113091, 123372, 136620, 147510, 150788, 154215, 177012, 185058, 188485, 205620, 221265, 226182, 295020, 308430, 339273, 370116, 376970, 442530, 452364, 462645, 565455, 616860, 678546, 753940, 885060, 925290, 1017819, 1130910, 1357092, 1696365, 1850580, 2035638, 2261820, 3392730, 4071276, 5089095, 6785460, 10178190, 20356380]

約数ペア:

[(1, 20356380), (2, 10178190), (3, 6785460), (4, 5089095), (5, 4071276), (6, 3392730), (9, 2261820), (10, 2035638), (11, 1850580), (12, 1696365), (15, 1357092), (18, 1130910), (20, 1017819), (22, 925290), (23, 885060), (27, 753940), (30, 678546), (33, 616860), (36, 565455), (44, 462645), (45, 452364), (46, 442530), (54, 376970), (55, 370116), (60, 339273), (66, 308430), (69, 295020), (90, 226182), (92, 221265), (99, 205620), (108, 188485), (110, 185058), (115, 177012), (132, 154215), (135, 150788), (138, 147510), (149, 136620), (165, 123372), (180, 113091), (198, 102810), (207, 98340), (220, 92529), (230, 88506), (253, 80460), (270, 75394), (276, 73755), (297, 68540), (298, 68310), (330, 61686), (345, 59004), (396, 51405), (414, 49170), (447, 45540), (460, 44253), (495, 41124), (506, 40230), (540, 37697), (594, 34270), (596, 34155), (621, 32780), (660, 30843), (690, 29502), (745, 27324), (759, 26820), (828, 24585), (894, 22770), (990, 20562), (1012, 20115), (1035, 19668), (1188, 17135), (1242, 16390), (1265, 16092), (1341, 15180), (1380, 14751), (1485, 13708), (1490, 13662), (1518, 13410), (1639, 12420), (1788, 11385), (1980, 10281), (2070, 9834), (2235, 9108), (2277, 8940), (2484, 8195), (2530, 8046), (2682, 7590), (2970, 6854), (2980, 6831), (3036, 6705), (3105, 6556), (3278, 6210), (3427, 5940), (3795, 5364), (4023, 5060), (4140, 4917), (4470, 4554)]