20219381576

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{971}}^1\times {\mathrm{55381}}^1$

素因数の和:56405

約数の個数: 32

約数和(自身を含む): 38758538880

約数和(自身を除く): 18539157304

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 971, 1942, 3884, 7768, 45637, 55381, 91274, 110762, 182548, 221524, 365096, 443048, 2602907, 5205814, 10411628, 20823256, 53774951, 107549902, 215099804, 430199608, 2527422697, 5054845394, 10109690788, 20219381576]

約数ペア:

[(1, 20219381576), (2, 10109690788), (4, 5054845394), (8, 2527422697), (47, 430199608), (94, 215099804), (188, 107549902), (376, 53774951), (971, 20823256), (1942, 10411628), (3884, 5205814), (7768, 2602907), (45637, 443048), (55381, 365096), (91274, 221524), (110762, 182548)]