20157230015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^2\times {\mathrm{1433}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 27484204608

約数和(自身を除く): 7326974593

約数列:

[1, 5, 13, 23, 65, 97, 115, 299, 485, 1261, 1433, 1495, 2231, 6305, 7165, 9409, 11155, 18629, 29003, 32959, 47045, 93145, 122317, 139001, 145015, 164795, 216407, 428467, 611585, 695005, 1082035, 1807013, 2142335, 2813291, 3197023, 9035065, 13483097, 14066455, 15985115, 41561299, 67415485, 175280261, 207806495, 310111231, 876401305, 1550556155, 4031446003, 20157230015]

約数ペア:

[(1, 20157230015), (5, 4031446003), (13, 1550556155), (23, 876401305), (65, 310111231), (97, 207806495), (115, 175280261), (299, 67415485), (485, 41561299), (1261, 15985115), (1433, 14066455), (1495, 13483097), (2231, 9035065), (6305, 3197023), (7165, 2813291), (9409, 2142335), (11155, 1807013), (18629, 1082035), (29003, 695005), (32959, 611585), (47045, 428467), (93145, 216407), (122317, 164795), (139001, 145015)]