20471968

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3061}}^1$

素因数の和:3101

約数の個数: 48

約数和(自身を含む): 46297440

約数和(自身を除く): 25825472

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3061, 3344, 6122, 6688, 12244, 24488, 33671, 48976, 58159, 67342, 97952, 116318, 134684, 232636, 269368, 465272, 538736, 639749, 930544, 1077472, 1279498, 1861088, 2558996, 5117992, 10235984, 20471968]

約数ペア:

[(1, 20471968), (2, 10235984), (4, 5117992), (8, 2558996), (11, 1861088), (16, 1279498), (19, 1077472), (22, 930544), (32, 639749), (38, 538736), (44, 465272), (76, 269368), (88, 232636), (152, 134684), (176, 116318), (209, 97952), (304, 67342), (352, 58159), (418, 48976), (608, 33671), (836, 24488), (1672, 12244), (3061, 6688), (3344, 6122)]