20120779720

素因数分解:

$2^3\times 5^1\times {\mathrm{883}}^1\times {\mathrm{569671}}^1$

素因数の和:570565

約数の個数: 32

約数和(自身を含む): 45323104320

約数和(自身を除く): 25202324600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 883, 1766, 3532, 4415, 7064, 8830, 17660, 35320, 569671, 1139342, 2278684, 2848355, 4557368, 5696710, 11393420, 22786840, 503019493, 1006038986, 2012077972, 2515097465, 4024155944, 5030194930, 10060389860, 20120779720]

約数ペア:

[(1, 20120779720), (2, 10060389860), (4, 5030194930), (5, 4024155944), (8, 2515097465), (10, 2012077972), (20, 1006038986), (40, 503019493), (883, 22786840), (1766, 11393420), (3532, 5696710), (4415, 4557368), (7064, 2848355), (8830, 2278684), (17660, 1139342), (35320, 569671)]