20651208

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 54673920

約数和(自身を除く): 34022712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 41, 62, 82, 93, 123, 124, 164, 186, 246, 248, 328, 372, 492, 677, 744, 984, 1271, 1354, 2031, 2542, 2708, 3813, 4062, 5084, 5416, 7626, 8124, 10168, 15252, 16248, 20987, 27757, 30504, 41974, 55514, 62961, 83271, 83948, 111028, 125922, 166542, 167896, 222056, 251844, 333084, 503688, 666168, 860467, 1720934, 2581401, 3441868, 5162802, 6883736, 10325604, 20651208]

約数ペア:

[(1, 20651208), (2, 10325604), (3, 6883736), (4, 5162802), (6, 3441868), (8, 2581401), (12, 1720934), (24, 860467), (31, 666168), (41, 503688), (62, 333084), (82, 251844), (93, 222056), (123, 167896), (124, 166542), (164, 125922), (186, 111028), (246, 83948), (248, 83271), (328, 62961), (372, 55514), (492, 41974), (677, 30504), (744, 27757), (984, 20987), (1271, 16248), (1354, 15252), (2031, 10168), (2542, 8124), (2708, 7626), (3813, 5416), (4062, 5084)]