20065808

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1847}}^1$

素因数の和:1959

約数の個数: 40

約数和(自身を含む): 44913792

約数和(自身を除く): 24847984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 1847, 2716, 3694, 5432, 7388, 10864, 12929, 14776, 25858, 29552, 51716, 103432, 179159, 206864, 358318, 716636, 1254113, 1433272, 2508226, 2866544, 5016452, 10032904, 20065808]

約数ペア:

[(1, 20065808), (2, 10032904), (4, 5016452), (7, 2866544), (8, 2508226), (14, 1433272), (16, 1254113), (28, 716636), (56, 358318), (97, 206864), (112, 179159), (194, 103432), (388, 51716), (679, 29552), (776, 25858), (1358, 14776), (1552, 12929), (1847, 10864), (2716, 7388), (3694, 5432)]