20955804580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1\times {\mathrm{32843}}^1$

素因数の和:33436

約数の個数: 48

約数和(自身を含む): 44815506624

約数和(自身を除く): 23859702044

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 523, 610, 1046, 1220, 2092, 2615, 5230, 10460, 31903, 32843, 63806, 65686, 127612, 131372, 159515, 164215, 319030, 328430, 638060, 656860, 2003423, 4006846, 8013692, 10017115, 17176889, 20034230, 34353778, 40068460, 68707556, 85884445, 171768890, 343537780, 1047790229, 2095580458, 4191160916, 5238951145, 10477902290, 20955804580]

約数ペア:

[(1, 20955804580), (2, 10477902290), (4, 5238951145), (5, 4191160916), (10, 2095580458), (20, 1047790229), (61, 343537780), (122, 171768890), (244, 85884445), (305, 68707556), (523, 40068460), (610, 34353778), (1046, 20034230), (1220, 17176889), (2092, 10017115), (2615, 8013692), (5230, 4006846), (10460, 2003423), (31903, 656860), (32843, 638060), (63806, 328430), (65686, 319030), (127612, 164215), (131372, 159515)]