20852094160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13718483}}^1$

素因数の和:13718515

約数の個数: 40

約数和(自身を含む): 51032760480

約数和(自身を除く): 30180666320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13718483, 27436966, 54873932, 68592415, 109747864, 137184830, 219495728, 260651177, 274369660, 521302354, 548739320, 1042604708, 1097478640, 1303255885, 2085209416, 2606511770, 4170418832, 5213023540, 10426047080, 20852094160]

約数ペア:

[(1, 20852094160), (2, 10426047080), (4, 5213023540), (5, 4170418832), (8, 2606511770), (10, 2085209416), (16, 1303255885), (19, 1097478640), (20, 1042604708), (38, 548739320), (40, 521302354), (76, 274369660), (80, 260651177), (95, 219495728), (152, 137184830), (190, 109747864), (304, 68592415), (380, 54873932), (760, 27436966), (1520, 13718483)]