20201656065

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{239087}}^1$

素因数の和:239269

約数の個数: 32

約数和(自身を含む): 33326954496

約数和(自身を除く): 13125298431

約数列:

[1, 3, 5, 15, 43, 129, 131, 215, 393, 645, 655, 1965, 5633, 16899, 28165, 84495, 239087, 717261, 1195435, 3586305, 10280741, 30842223, 31320397, 51403705, 93961191, 154211115, 156601985, 469805955, 1346777071, 4040331213, 6733885355, 20201656065]

約数ペア:

[(1, 20201656065), (3, 6733885355), (5, 4040331213), (15, 1346777071), (43, 469805955), (129, 156601985), (131, 154211115), (215, 93961191), (393, 51403705), (645, 31320397), (655, 30842223), (1965, 10280741), (5633, 3586305), (16899, 1195435), (28165, 717261), (84495, 239087)]