20708560

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{683}}^1$

素因数の和:1075

約数の個数: 40

約数和(自身を含む): 48345120

約数和(自身を除く): 27636560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 683, 758, 1366, 1516, 1895, 2732, 3032, 3415, 3790, 5464, 6064, 6830, 7580, 10928, 13660, 15160, 27320, 30320, 54640, 258857, 517714, 1035428, 1294285, 2070856, 2588570, 4141712, 5177140, 10354280, 20708560]

約数ペア:

[(1, 20708560), (2, 10354280), (4, 5177140), (5, 4141712), (8, 2588570), (10, 2070856), (16, 1294285), (20, 1035428), (40, 517714), (80, 258857), (379, 54640), (683, 30320), (758, 27320), (1366, 15160), (1516, 13660), (1895, 10928), (2732, 7580), (3032, 6830), (3415, 6064), (3790, 5464)]