20267988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{751}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 51292416

約数和(自身を除く): 31024428

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 173, 346, 519, 692, 751, 1038, 1502, 2076, 2249, 2253, 3004, 4498, 4506, 6747, 8996, 9012, 9763, 13494, 19526, 26988, 29289, 39052, 58578, 117156, 129923, 259846, 389769, 519692, 779538, 1559076, 1688999, 3377998, 5066997, 6755996, 10133994, 20267988]

約数ペア:

[(1, 20267988), (2, 10133994), (3, 6755996), (4, 5066997), (6, 3377998), (12, 1688999), (13, 1559076), (26, 779538), (39, 519692), (52, 389769), (78, 259846), (156, 129923), (173, 117156), (346, 58578), (519, 39052), (692, 29289), (751, 26988), (1038, 19526), (1502, 13494), (2076, 9763), (2249, 9012), (2253, 8996), (3004, 6747), (4498, 4506)]