20551848

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{12781}}^1$

素因数の和:12857

約数の個数: 32

約数和(自身を含む): 52150560

約数和(自身を除く): 31598712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 12781, 25562, 38343, 51124, 76686, 102248, 153372, 306744, 856327, 1712654, 2568981, 3425308, 5137962, 6850616, 10275924, 20551848]

約数ペア:

[(1, 20551848), (2, 10275924), (3, 6850616), (4, 5137962), (6, 3425308), (8, 2568981), (12, 1712654), (24, 856327), (67, 306744), (134, 153372), (201, 102248), (268, 76686), (402, 51124), (536, 38343), (804, 25562), (1608, 12781)]