20714080

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3499}}^1$

素因数の和:3551

約数の個数: 48

約数和(自身を含む): 50274000

約数和(自身を除く): 29559920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3499, 5920, 6998, 13996, 17495, 27992, 34990, 55984, 69980, 111968, 129463, 139960, 258926, 279920, 517852, 559840, 647315, 1035704, 1294630, 2071408, 2589260, 4142816, 5178520, 10357040, 20714080]

約数ペア:

[(1, 20714080), (2, 10357040), (4, 5178520), (5, 4142816), (8, 2589260), (10, 2071408), (16, 1294630), (20, 1035704), (32, 647315), (37, 559840), (40, 517852), (74, 279920), (80, 258926), (148, 139960), (160, 129463), (185, 111968), (296, 69980), (370, 55984), (592, 34990), (740, 27992), (1184, 17495), (1480, 13996), (2960, 6998), (3499, 5920)]