20733544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 23618456

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 59, 62, 104, 109, 118, 124, 218, 236, 248, 403, 436, 472, 767, 806, 872, 1417, 1534, 1612, 1829, 2834, 3068, 3224, 3379, 3658, 5668, 6136, 6431, 6758, 7316, 11336, 12862, 13516, 14632, 23777, 25724, 27032, 43927, 47554, 51448, 83603, 87854, 95108, 167206, 175708, 190216, 199361, 334412, 351416, 398722, 668824, 797444, 1594888, 2591693, 5183386, 10366772, 20733544]

約数ペア:

[(1, 20733544), (2, 10366772), (4, 5183386), (8, 2591693), (13, 1594888), (26, 797444), (31, 668824), (52, 398722), (59, 351416), (62, 334412), (104, 199361), (109, 190216), (118, 175708), (124, 167206), (218, 95108), (236, 87854), (248, 83603), (403, 51448), (436, 47554), (472, 43927), (767, 27032), (806, 25724), (872, 23777), (1417, 14632), (1534, 13516), (1612, 12862), (1829, 11336), (2834, 7316), (3068, 6758), (3224, 6431), (3379, 6136), (3658, 5668)]