20455050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:74

約数の個数: 216

約数和(自身を含む): 67683168

約数和(自身を除く): 47228118

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 23, 25, 30, 33, 35, 42, 46, 49, 50, 55, 66, 69, 70, 75, 77, 98, 105, 110, 115, 121, 138, 147, 150, 154, 161, 165, 175, 210, 230, 231, 242, 245, 253, 275, 294, 322, 330, 345, 350, 363, 385, 462, 483, 490, 506, 525, 539, 550, 575, 605, 690, 726, 735, 759, 770, 805, 825, 847, 966, 1050, 1078, 1127, 1150, 1155, 1210, 1225, 1265, 1470, 1518, 1610, 1617, 1650, 1694, 1725, 1771, 1815, 1925, 2254, 2310, 2415, 2450, 2530, 2541, 2695, 2783, 3025, 3234, 3381, 3450, 3542, 3630, 3675, 3795, 3850, 4025, 4235, 4830, 5082, 5313, 5390, 5566, 5635, 5775, 5929, 6050, 6325, 6762, 7350, 7590, 8050, 8085, 8349, 8470, 8855, 9075, 10626, 11270, 11550, 11858, 12075, 12397, 12650, 12705, 13475, 13915, 16170, 16698, 16905, 17710, 17787, 18150, 18975, 19481, 21175, 24150, 24794, 25410, 26565, 26950, 27830, 28175, 29645, 33810, 35574, 37191, 37950, 38962, 40425, 41745, 42350, 44275, 53130, 56350, 58443, 59290, 61985, 63525, 69575, 74382, 80850, 83490, 84525, 88550, 88935, 97405, 116886, 123970, 127050, 132825, 136367, 139150, 148225, 169050, 177870, 185955, 194810, 208725, 265650, 272734, 292215, 296450, 309925, 371910, 409101, 417450, 444675, 487025, 584430, 619850, 681835, 818202, 889350, 929775, 974050, 1363670, 1461075, 1859550, 2045505, 2922150, 3409175, 4091010, 6818350, 10227525, 20455050]

約数ペア:

[(1, 20455050), (2, 10227525), (3, 6818350), (5, 4091010), (6, 3409175), (7, 2922150), (10, 2045505), (11, 1859550), (14, 1461075), (15, 1363670), (21, 974050), (22, 929775), (23, 889350), (25, 818202), (30, 681835), (33, 619850), (35, 584430), (42, 487025), (46, 444675), (49, 417450), (50, 409101), (55, 371910), (66, 309925), (69, 296450), (70, 292215), (75, 272734), (77, 265650), (98, 208725), (105, 194810), (110, 185955), (115, 177870), (121, 169050), (138, 148225), (147, 139150), (150, 136367), (154, 132825), (161, 127050), (165, 123970), (175, 116886), (210, 97405), (230, 88935), (231, 88550), (242, 84525), (245, 83490), (253, 80850), (275, 74382), (294, 69575), (322, 63525), (330, 61985), (345, 59290), (350, 58443), (363, 56350), (385, 53130), (462, 44275), (483, 42350), (490, 41745), (506, 40425), (525, 38962), (539, 37950), (550, 37191), (575, 35574), (605, 33810), (690, 29645), (726, 28175), (735, 27830), (759, 26950), (770, 26565), (805, 25410), (825, 24794), (847, 24150), (966, 21175), (1050, 19481), (1078, 18975), (1127, 18150), (1150, 17787), (1155, 17710), (1210, 16905), (1225, 16698), (1265, 16170), (1470, 13915), (1518, 13475), (1610, 12705), (1617, 12650), (1650, 12397), (1694, 12075), (1725, 11858), (1771, 11550), (1815, 11270), (1925, 10626), (2254, 9075), (2310, 8855), (2415, 8470), (2450, 8349), (2530, 8085), (2541, 8050), (2695, 7590), (2783, 7350), (3025, 6762), (3234, 6325), (3381, 6050), (3450, 5929), (3542, 5775), (3630, 5635), (3675, 5566), (3795, 5390), (3850, 5313), (4025, 5082), (4235, 4830)]