20767944

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 54820800

約数和(自身を除く): 34052856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 53, 58, 87, 106, 116, 159, 174, 212, 232, 318, 348, 424, 563, 636, 696, 1126, 1272, 1537, 1689, 2252, 3074, 3378, 4504, 4611, 6148, 6756, 9222, 12296, 13512, 16327, 18444, 29839, 32654, 36888, 48981, 59678, 65308, 89517, 97962, 119356, 130616, 179034, 195924, 238712, 358068, 391848, 716136, 865331, 1730662, 2595993, 3461324, 5191986, 6922648, 10383972, 20767944]

約数ペア:

[(1, 20767944), (2, 10383972), (3, 6922648), (4, 5191986), (6, 3461324), (8, 2595993), (12, 1730662), (24, 865331), (29, 716136), (53, 391848), (58, 358068), (87, 238712), (106, 195924), (116, 179034), (159, 130616), (174, 119356), (212, 97962), (232, 89517), (318, 65308), (348, 59678), (424, 48981), (563, 36888), (636, 32654), (696, 29839), (1126, 18444), (1272, 16327), (1537, 13512), (1689, 12296), (2252, 9222), (3074, 6756), (3378, 6148), (4504, 4611)]