20675264

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:673

約数の個数: 56

約数和(自身を含む): 44915328

約数和(自身を除く): 24240064

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 613, 992, 1054, 1088, 1226, 1984, 2108, 2452, 4216, 4904, 8432, 9808, 10421, 16864, 19003, 19616, 20842, 33728, 38006, 39232, 41684, 76012, 83368, 152024, 166736, 304048, 323051, 333472, 608096, 646102, 666944, 1216192, 1292204, 2584408, 5168816, 10337632, 20675264]

約数ペア:

[(1, 20675264), (2, 10337632), (4, 5168816), (8, 2584408), (16, 1292204), (17, 1216192), (31, 666944), (32, 646102), (34, 608096), (62, 333472), (64, 323051), (68, 304048), (124, 166736), (136, 152024), (248, 83368), (272, 76012), (496, 41684), (527, 39232), (544, 38006), (613, 33728), (992, 20842), (1054, 19616), (1088, 19003), (1226, 16864), (1984, 10421), (2108, 9808), (2452, 8432), (4216, 4904)]