20121696016

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{1777}}^1\times {\mathrm{6871}}^1$

素因数の和:8759

約数の個数: 40

約数和(自身を含む): 39392173184

約数和(自身を除く): 19270477168

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 1777, 3554, 6871, 7108, 13742, 14216, 27484, 28432, 54968, 109936, 183031, 366062, 707713, 732124, 1415426, 1464248, 2830852, 2928496, 5661704, 11323408, 12209767, 24419534, 48839068, 97678136, 195356272, 1257606001, 2515212002, 5030424004, 10060848008, 20121696016]

約数ペア:

[(1, 20121696016), (2, 10060848008), (4, 5030424004), (8, 2515212002), (16, 1257606001), (103, 195356272), (206, 97678136), (412, 48839068), (824, 24419534), (1648, 12209767), (1777, 11323408), (3554, 5661704), (6871, 2928496), (7108, 2830852), (13742, 1464248), (14216, 1415426), (27484, 732124), (28432, 707713), (54968, 366062), (109936, 183031)]