20211771848

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{638159}}^1$

素因数の和:638309

約数の個数: 32

約数和(自身を含む): 39285129600

約数和(自身を除く): 19073357752

約数列:

[1, 2, 4, 8, 37, 74, 107, 148, 214, 296, 428, 856, 3959, 7918, 15836, 31672, 638159, 1276318, 2552636, 5105272, 23611883, 47223766, 68283013, 94447532, 136566026, 188895064, 273132052, 546264104, 2526471481, 5052942962, 10105885924, 20211771848]

約数ペア:

[(1, 20211771848), (2, 10105885924), (4, 5052942962), (8, 2526471481), (37, 546264104), (74, 273132052), (107, 188895064), (148, 136566026), (214, 94447532), (296, 68283013), (428, 47223766), (856, 23611883), (3959, 5105272), (7918, 2552636), (15836, 1276318), (31672, 638159)]