20183501925

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2293}}^1$

素因数の和:2428

約数の個数: 144

約数和(自身を含む): 39937622400

約数和(自身を除く): 19754120475

約数列:

[1, 3, 5, 9, 15, 19, 25, 29, 45, 57, 71, 75, 87, 95, 145, 171, 213, 225, 261, 285, 355, 435, 475, 551, 639, 725, 855, 1065, 1305, 1349, 1425, 1653, 1775, 2059, 2175, 2293, 2755, 3195, 4047, 4275, 4959, 5325, 6177, 6525, 6745, 6879, 8265, 10295, 11465, 12141, 13775, 15975, 18531, 20235, 20637, 24795, 30885, 33725, 34395, 39121, 41325, 43567, 51475, 57325, 60705, 66497, 92655, 101175, 103185, 117363, 123975, 130701, 154425, 162803, 171975, 195605, 199491, 217835, 303525, 332485, 352089, 392103, 463275, 488409, 515925, 586815, 598473, 653505, 814015, 978025, 997455, 1089175, 1263443, 1465227, 1662425, 1760445, 1960515, 2442045, 2934075, 2992365, 3093257, 3267525, 3790329, 4070075, 4721287, 4987275, 6317215, 7326135, 8802225, 9279771, 9802575, 11370987, 12210225, 14163861, 14961825, 15466285, 18951645, 23606435, 27839313, 31586075, 36630675, 42491583, 46398855, 56854935, 70819305, 77331425, 89704453, 94758225, 118032175, 139196565, 212457915, 231994275, 269113359, 284274675, 354096525, 448522265, 695982825, 807340077, 1062289575, 1345566795, 2242611325, 4036700385, 6727833975, 20183501925]

約数ペア:

[(1, 20183501925), (3, 6727833975), (5, 4036700385), (9, 2242611325), (15, 1345566795), (19, 1062289575), (25, 807340077), (29, 695982825), (45, 448522265), (57, 354096525), (71, 284274675), (75, 269113359), (87, 231994275), (95, 212457915), (145, 139196565), (171, 118032175), (213, 94758225), (225, 89704453), (261, 77331425), (285, 70819305), (355, 56854935), (435, 46398855), (475, 42491583), (551, 36630675), (639, 31586075), (725, 27839313), (855, 23606435), (1065, 18951645), (1305, 15466285), (1349, 14961825), (1425, 14163861), (1653, 12210225), (1775, 11370987), (2059, 9802575), (2175, 9279771), (2293, 8802225), (2755, 7326135), (3195, 6317215), (4047, 4987275), (4275, 4721287), (4959, 4070075), (5325, 3790329), (6177, 3267525), (6525, 3093257), (6745, 2992365), (6879, 2934075), (8265, 2442045), (10295, 1960515), (11465, 1760445), (12141, 1662425), (13775, 1465227), (15975, 1263443), (18531, 1089175), (20235, 997455), (20637, 978025), (24795, 814015), (30885, 653505), (33725, 598473), (34395, 586815), (39121, 515925), (41325, 488409), (43567, 463275), (51475, 392103), (57325, 352089), (60705, 332485), (66497, 303525), (92655, 217835), (101175, 199491), (103185, 195605), (117363, 171975), (123975, 162803), (130701, 154425)]