20039672

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 18667528

約数列:

[1, 2, 4, 8, 47, 94, 188, 223, 239, 376, 446, 478, 892, 956, 1784, 1912, 10481, 11233, 20962, 22466, 41924, 44932, 53297, 83848, 89864, 106594, 213188, 426376, 2504959, 5009918, 10019836, 20039672]

約数ペア:

[(1, 20039672), (2, 10019836), (4, 5009918), (8, 2504959), (47, 426376), (94, 213188), (188, 106594), (223, 89864), (239, 83848), (376, 53297), (446, 44932), (478, 41924), (892, 22466), (956, 20962), (1784, 11233), (1912, 10481)]