20019472

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6691}}^1$

素因数の和:6727

約数の個数: 40

約数和(自身を含む): 44809632

約数和(自身を除く): 24790160

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6691, 13382, 26764, 53528, 73601, 107056, 113747, 147202, 227494, 294404, 454988, 588808, 909976, 1177616, 1251217, 1819952, 2502434, 5004868, 10009736, 20019472]

約数ペア:

[(1, 20019472), (2, 10009736), (4, 5004868), (8, 2502434), (11, 1819952), (16, 1251217), (17, 1177616), (22, 909976), (34, 588808), (44, 454988), (68, 294404), (88, 227494), (136, 147202), (176, 113747), (187, 107056), (272, 73601), (374, 53528), (748, 26764), (1496, 13382), (2992, 6691)]