20187635715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1\times {\mathrm{1021}}^1$

素因数の和:1581

約数の個数: 96

約数和(自身を含む): 38319800064

約数和(自身を除く): 18132164349

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 73, 117, 195, 219, 365, 463, 585, 657, 949, 1021, 1095, 1389, 2315, 2847, 3063, 3285, 4167, 4745, 5105, 6019, 6945, 8541, 9189, 13273, 14235, 15315, 18057, 20835, 30095, 33799, 39819, 42705, 45945, 54171, 66365, 74533, 90285, 101397, 119457, 168995, 199095, 223599, 270855, 304191, 372665, 439387, 472723, 506985, 597285, 670797, 968929, 1117995, 1318161, 1418169, 1520955, 2196935, 2363615, 2906787, 3353985, 3954483, 4254507, 4844645, 6145399, 6590805, 7090845, 8720361, 14533935, 18436197, 19772415, 21272535, 30726995, 34508779, 43601805, 55308591, 92180985, 103526337, 172543895, 276542955, 310579011, 448614127, 517631685, 1345842381, 1552895055, 2243070635, 4037527143, 6729211905, 20187635715]

約数ペア:

[(1, 20187635715), (3, 6729211905), (5, 4037527143), (9, 2243070635), (13, 1552895055), (15, 1345842381), (39, 517631685), (45, 448614127), (65, 310579011), (73, 276542955), (117, 172543895), (195, 103526337), (219, 92180985), (365, 55308591), (463, 43601805), (585, 34508779), (657, 30726995), (949, 21272535), (1021, 19772415), (1095, 18436197), (1389, 14533935), (2315, 8720361), (2847, 7090845), (3063, 6590805), (3285, 6145399), (4167, 4844645), (4745, 4254507), (5105, 3954483), (6019, 3353985), (6945, 2906787), (8541, 2363615), (9189, 2196935), (13273, 1520955), (14235, 1418169), (15315, 1318161), (18057, 1117995), (20835, 968929), (30095, 670797), (33799, 597285), (39819, 506985), (42705, 472723), (45945, 439387), (54171, 372665), (66365, 304191), (74533, 270855), (90285, 223599), (101397, 199095), (119457, 168995)]