20096960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4831}}^1$

素因数の和:4861

約数の個数: 56

約数和(自身を含む): 51547776

約数和(自身を除く): 31450816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4831, 9662, 19324, 24155, 38648, 48310, 62803, 77296, 96620, 125606, 154592, 193240, 251212, 309184, 314015, 386480, 502424, 628030, 772960, 1004848, 1256060, 1545920, 2009696, 2512120, 4019392, 5024240, 10048480, 20096960]

約数ペア:

[(1, 20096960), (2, 10048480), (4, 5024240), (5, 4019392), (8, 2512120), (10, 2009696), (13, 1545920), (16, 1256060), (20, 1004848), (26, 772960), (32, 628030), (40, 502424), (52, 386480), (64, 314015), (65, 309184), (80, 251212), (104, 193240), (130, 154592), (160, 125606), (208, 96620), (260, 77296), (320, 62803), (416, 48310), (520, 38648), (832, 24155), (1040, 19324), (2080, 9662), (4160, 4831)]