20175236488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1747}}^1\times {\mathrm{6907}}^1$

素因数の和:8690

約数の個数: 64

約数和(自身を含む): 43470662400

約数和(自身を除く): 23295425912

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 1747, 3494, 6907, 6988, 13814, 13976, 19217, 27628, 33193, 38434, 55256, 66386, 75977, 76868, 131233, 132772, 151954, 153736, 262466, 265544, 303908, 365123, 524932, 607816, 730246, 1049864, 1443563, 1460492, 2887126, 2920984, 5774252, 11548504, 12066529, 24133058, 48266116, 96532232, 132731819, 229264051, 265463638, 458528102, 530927276, 917056204, 1061854552, 1834112408, 2521904561, 5043809122, 10087618244, 20175236488]

約数ペア:

[(1, 20175236488), (2, 10087618244), (4, 5043809122), (8, 2521904561), (11, 1834112408), (19, 1061854552), (22, 917056204), (38, 530927276), (44, 458528102), (76, 265463638), (88, 229264051), (152, 132731819), (209, 96532232), (418, 48266116), (836, 24133058), (1672, 12066529), (1747, 11548504), (3494, 5774252), (6907, 2920984), (6988, 2887126), (13814, 1460492), (13976, 1443563), (19217, 1049864), (27628, 730246), (33193, 607816), (38434, 524932), (55256, 365123), (66386, 303908), (75977, 265544), (76868, 262466), (131233, 153736), (132772, 151954)]