20689080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3253}}^1$

素因数の和:3320

約数の個数: 64

約数和(自身を含む): 63257760

約数和(自身を除く): 42568680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 3253, 6360, 6506, 9759, 13012, 16265, 19518, 26024, 32530, 39036, 48795, 65060, 78072, 97590, 130120, 172409, 195180, 344818, 390360, 517227, 689636, 862045, 1034454, 1379272, 1724090, 2068908, 2586135, 3448180, 4137816, 5172270, 6896360, 10344540, 20689080]

約数ペア:

[(1, 20689080), (2, 10344540), (3, 6896360), (4, 5172270), (5, 4137816), (6, 3448180), (8, 2586135), (10, 2068908), (12, 1724090), (15, 1379272), (20, 1034454), (24, 862045), (30, 689636), (40, 517227), (53, 390360), (60, 344818), (106, 195180), (120, 172409), (159, 130120), (212, 97590), (265, 78072), (318, 65060), (424, 48795), (530, 39036), (636, 32530), (795, 26024), (1060, 19518), (1272, 16265), (1590, 13012), (2120, 9759), (3180, 6506), (3253, 6360)]