20042320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14737}}^1$

素因数の和:14767

約数の個数: 40

約数和(自身を含む): 49342824

約数和(自身を除く): 29300504

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14737, 29474, 58948, 73685, 117896, 147370, 235792, 250529, 294740, 501058, 589480, 1002116, 1178960, 1252645, 2004232, 2505290, 4008464, 5010580, 10021160, 20042320]

約数ペア:

[(1, 20042320), (2, 10021160), (4, 5010580), (5, 4008464), (8, 2505290), (10, 2004232), (16, 1252645), (17, 1178960), (20, 1002116), (34, 589480), (40, 501058), (68, 294740), (80, 250529), (85, 235792), (136, 147370), (170, 117896), (272, 73685), (340, 58948), (680, 29474), (1360, 14737)]