20123512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1873}}^1$

素因数の和:1975

約数の個数: 32

約数和(自身を含む): 40478400

約数和(自身を除く): 20354888

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 1343, 1873, 2686, 3746, 5372, 7492, 10744, 14984, 31841, 63682, 127364, 147967, 254728, 295934, 591868, 1183736, 2515439, 5030878, 10061756, 20123512]

約数ペア:

[(1, 20123512), (2, 10061756), (4, 5030878), (8, 2515439), (17, 1183736), (34, 591868), (68, 295934), (79, 254728), (136, 147967), (158, 127364), (316, 63682), (632, 31841), (1343, 14984), (1873, 10744), (2686, 7492), (3746, 5372)]