20949888

素因数分解:

$2^7\times 3^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:719

約数の個数: 64

約数和(自身を含む): 56365200

約数和(自身を除く): 35415312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 89, 96, 128, 178, 192, 267, 356, 384, 534, 613, 712, 1068, 1226, 1424, 1839, 2136, 2452, 2848, 3678, 4272, 4904, 5696, 7356, 8544, 9808, 11392, 14712, 17088, 19616, 29424, 34176, 39232, 54557, 58848, 78464, 109114, 117696, 163671, 218228, 235392, 327342, 436456, 654684, 872912, 1309368, 1745824, 2618736, 3491648, 5237472, 6983296, 10474944, 20949888]

約数ペア:

[(1, 20949888), (2, 10474944), (3, 6983296), (4, 5237472), (6, 3491648), (8, 2618736), (12, 1745824), (16, 1309368), (24, 872912), (32, 654684), (48, 436456), (64, 327342), (89, 235392), (96, 218228), (128, 163671), (178, 117696), (192, 109114), (267, 78464), (356, 58848), (384, 54557), (534, 39232), (613, 34176), (712, 29424), (1068, 19616), (1226, 17088), (1424, 14712), (1839, 11392), (2136, 9808), (2452, 8544), (2848, 7356), (3678, 5696), (4272, 4904)]