20187849990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{164893}}^1$

素因数の和:164974

約数の個数: 128

約数和(自身を含む): 61546355712

約数和(自身を除く): 41358505722

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 53, 55, 66, 70, 77, 105, 106, 110, 154, 159, 165, 210, 231, 265, 318, 330, 371, 385, 462, 530, 583, 742, 770, 795, 1113, 1155, 1166, 1590, 1749, 1855, 2226, 2310, 2915, 3498, 3710, 4081, 5565, 5830, 8162, 8745, 11130, 12243, 17490, 20405, 24486, 40810, 61215, 122430, 164893, 329786, 494679, 824465, 989358, 1154251, 1648930, 1813823, 2308502, 2473395, 3462753, 3627646, 4946790, 5441469, 5771255, 6925506, 8739329, 9069115, 10882938, 11542510, 12696761, 17313765, 17478658, 18138230, 25393522, 26217987, 27207345, 34627530, 38090283, 43696645, 52435974, 54414690, 61175303, 63483805, 76180566, 87393290, 96132619, 122350606, 126967610, 131089935, 183525909, 190451415, 192265238, 262179870, 288397857, 305876515, 367051818, 380902830, 480663095, 576795714, 611753030, 672928333, 917629545, 961326190, 1345856666, 1441989285, 1835259090, 2018784999, 2883978570, 3364641665, 4037569998, 6729283330, 10093924995, 20187849990]

約数ペア:

[(1, 20187849990), (2, 10093924995), (3, 6729283330), (5, 4037569998), (6, 3364641665), (7, 2883978570), (10, 2018784999), (11, 1835259090), (14, 1441989285), (15, 1345856666), (21, 961326190), (22, 917629545), (30, 672928333), (33, 611753030), (35, 576795714), (42, 480663095), (53, 380902830), (55, 367051818), (66, 305876515), (70, 288397857), (77, 262179870), (105, 192265238), (106, 190451415), (110, 183525909), (154, 131089935), (159, 126967610), (165, 122350606), (210, 96132619), (231, 87393290), (265, 76180566), (318, 63483805), (330, 61175303), (371, 54414690), (385, 52435974), (462, 43696645), (530, 38090283), (583, 34627530), (742, 27207345), (770, 26217987), (795, 25393522), (1113, 18138230), (1155, 17478658), (1166, 17313765), (1590, 12696761), (1749, 11542510), (1855, 10882938), (2226, 9069115), (2310, 8739329), (2915, 6925506), (3498, 5771255), (3710, 5441469), (4081, 4946790), (5565, 3627646), (5830, 3462753), (8162, 2473395), (8745, 2308502), (11130, 1813823), (12243, 1648930), (17490, 1154251), (20405, 989358), (24486, 824465), (40810, 494679), (61215, 329786), (122430, 164893)]