20464668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{281}}^1$

素因数の和:332

約数の個数: 108

約数和(自身を含む): 63025872

約数和(自身を除く): 42561204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 281, 289, 306, 357, 476, 562, 578, 612, 714, 843, 867, 1071, 1124, 1156, 1428, 1686, 1734, 1967, 2023, 2142, 2529, 2601, 3372, 3468, 3934, 4046, 4284, 4777, 5058, 5202, 5901, 6069, 7868, 8092, 9554, 10116, 10404, 11802, 12138, 14331, 17703, 18207, 19108, 23604, 24276, 28662, 33439, 35406, 36414, 42993, 57324, 66878, 70812, 72828, 81209, 85986, 100317, 133756, 162418, 171972, 200634, 243627, 300951, 324836, 401268, 487254, 568463, 601902, 730881, 974508, 1136926, 1203804, 1461762, 1705389, 2273852, 2923524, 3410778, 5116167, 6821556, 10232334, 20464668]

約数ペア:

[(1, 20464668), (2, 10232334), (3, 6821556), (4, 5116167), (6, 3410778), (7, 2923524), (9, 2273852), (12, 1705389), (14, 1461762), (17, 1203804), (18, 1136926), (21, 974508), (28, 730881), (34, 601902), (36, 568463), (42, 487254), (51, 401268), (63, 324836), (68, 300951), (84, 243627), (102, 200634), (119, 171972), (126, 162418), (153, 133756), (204, 100317), (238, 85986), (252, 81209), (281, 72828), (289, 70812), (306, 66878), (357, 57324), (476, 42993), (562, 36414), (578, 35406), (612, 33439), (714, 28662), (843, 24276), (867, 23604), (1071, 19108), (1124, 18207), (1156, 17703), (1428, 14331), (1686, 12138), (1734, 11802), (1967, 10404), (2023, 10116), (2142, 9554), (2529, 8092), (2601, 7868), (3372, 6069), (3468, 5901), (3934, 5202), (4046, 5058), (4284, 4777)]