20935670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 46417536

約数和(自身を除く): 25481866

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 73, 85, 119, 146, 170, 238, 241, 365, 482, 511, 595, 730, 1022, 1190, 1205, 1241, 1687, 2410, 2482, 2555, 3374, 4097, 5110, 6205, 8194, 8435, 8687, 12410, 16870, 17374, 17593, 20485, 28679, 35186, 40970, 43435, 57358, 86870, 87965, 123151, 143395, 175930, 246302, 286790, 299081, 598162, 615755, 1231510, 1495405, 2093567, 2990810, 4187134, 10467835, 20935670]

約数ペア:

[(1, 20935670), (2, 10467835), (5, 4187134), (7, 2990810), (10, 2093567), (14, 1495405), (17, 1231510), (34, 615755), (35, 598162), (70, 299081), (73, 286790), (85, 246302), (119, 175930), (146, 143395), (170, 123151), (238, 87965), (241, 86870), (365, 57358), (482, 43435), (511, 40970), (595, 35186), (730, 28679), (1022, 20485), (1190, 17593), (1205, 17374), (1241, 16870), (1687, 12410), (2410, 8687), (2482, 8435), (2555, 8194), (3374, 6205), (4097, 5110)]