20587688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6323}}^1$

素因数の和:6377

約数の個数: 32

約数和(自身を含む): 43256160

約数和(自身を除く): 22668472

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6323, 12646, 25292, 50584, 69553, 139106, 233951, 278212, 467902, 556424, 935804, 1871608, 2573461, 5146922, 10293844, 20587688]

約数ペア:

[(1, 20587688), (2, 10293844), (4, 5146922), (8, 2573461), (11, 1871608), (22, 935804), (37, 556424), (44, 467902), (74, 278212), (88, 233951), (148, 139106), (296, 69553), (407, 50584), (814, 25292), (1628, 12646), (3256, 6323)]