20568570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 54331776

約数和(自身を除く): 33763206

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 157, 165, 314, 330, 397, 471, 785, 794, 942, 1191, 1570, 1727, 1985, 2355, 2382, 3454, 3970, 4367, 4710, 5181, 5955, 8635, 8734, 10362, 11910, 13101, 17270, 21835, 25905, 26202, 43670, 51810, 62329, 65505, 124658, 131010, 186987, 311645, 373974, 623290, 685619, 934935, 1371238, 1869870, 2056857, 3428095, 4113714, 6856190, 10284285, 20568570]

約数ペア:

[(1, 20568570), (2, 10284285), (3, 6856190), (5, 4113714), (6, 3428095), (10, 2056857), (11, 1869870), (15, 1371238), (22, 934935), (30, 685619), (33, 623290), (55, 373974), (66, 311645), (110, 186987), (157, 131010), (165, 124658), (314, 65505), (330, 62329), (397, 51810), (471, 43670), (785, 26202), (794, 25905), (942, 21835), (1191, 17270), (1570, 13101), (1727, 11910), (1985, 10362), (2355, 8734), (2382, 8635), (3454, 5955), (3970, 5181), (4367, 4710)]