20368416

素因数分解:

$2^5\times 3^1\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 53712288

約数和(自身を除く): 33343872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 331, 641, 662, 993, 1282, 1324, 1923, 1986, 2564, 2648, 3846, 3972, 5128, 5296, 7692, 7944, 10256, 10592, 15384, 15888, 20512, 30768, 31776, 61536, 212171, 424342, 636513, 848684, 1273026, 1697368, 2546052, 3394736, 5092104, 6789472, 10184208, 20368416]

約数ペア:

[(1, 20368416), (2, 10184208), (3, 6789472), (4, 5092104), (6, 3394736), (8, 2546052), (12, 1697368), (16, 1273026), (24, 848684), (32, 636513), (48, 424342), (96, 212171), (331, 61536), (641, 31776), (662, 30768), (993, 20512), (1282, 15888), (1324, 15384), (1923, 10592), (1986, 10256), (2564, 7944), (2648, 7692), (3846, 5296), (3972, 5128)]