20318996916

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{116159}}^1$

素因数の和:116325

約数の個数: 72

約数和(自身を含む): 53021928960

約数和(自身を除く): 32702932044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 113, 129, 172, 226, 258, 339, 387, 452, 516, 678, 774, 1017, 1356, 1548, 2034, 4068, 4859, 9718, 14577, 19436, 29154, 43731, 58308, 87462, 116159, 174924, 232318, 348477, 464636, 696954, 1045431, 1393908, 2090862, 4181724, 4994837, 9989674, 13125967, 14984511, 19979348, 26251934, 29969022, 39377901, 44953533, 52503868, 59938044, 78755802, 89907066, 118133703, 157511604, 179814132, 236267406, 472534812, 564416581, 1128833162, 1693249743, 2257666324, 3386499486, 5079749229, 6772998972, 10159498458, 20318996916]

約数ペア:

[(1, 20318996916), (2, 10159498458), (3, 6772998972), (4, 5079749229), (6, 3386499486), (9, 2257666324), (12, 1693249743), (18, 1128833162), (36, 564416581), (43, 472534812), (86, 236267406), (113, 179814132), (129, 157511604), (172, 118133703), (226, 89907066), (258, 78755802), (339, 59938044), (387, 52503868), (452, 44953533), (516, 39377901), (678, 29969022), (774, 26251934), (1017, 19979348), (1356, 14984511), (1548, 13125967), (2034, 9989674), (4068, 4994837), (4859, 4181724), (9718, 2090862), (14577, 1393908), (19436, 1045431), (29154, 696954), (43731, 464636), (58308, 348477), (87462, 232318), (116159, 174924)]