20098860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{733}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 56476896

約数和(自身を除く): 36378036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 733, 914, 1371, 1466, 1828, 2199, 2285, 2742, 2932, 3665, 4398, 4570, 5484, 6855, 7330, 8796, 9140, 10995, 13710, 14660, 21990, 27420, 43980, 334981, 669962, 1004943, 1339924, 1674905, 2009886, 3349810, 4019772, 5024715, 6699620, 10049430, 20098860]

約数ペア:

[(1, 20098860), (2, 10049430), (3, 6699620), (4, 5024715), (5, 4019772), (6, 3349810), (10, 2009886), (12, 1674905), (15, 1339924), (20, 1004943), (30, 669962), (60, 334981), (457, 43980), (733, 27420), (914, 21990), (1371, 14660), (1466, 13710), (1828, 10995), (2199, 9140), (2285, 8796), (2742, 7330), (2932, 6855), (3665, 5484), (4398, 4570)]