20294505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5857}}^1$

素因数の和:5886

約数の個数: 48

約数和(自身を含む): 43864704

約数和(自身を除く): 23570199

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 5857, 17571, 29285, 40999, 52713, 64427, 87855, 122997, 193281, 204995, 263565, 322135, 368991, 450989, 579843, 614985, 966405, 1352967, 1844955, 2254945, 2899215, 4058901, 6764835, 20294505]

約数ペア:

[(1, 20294505), (3, 6764835), (5, 4058901), (7, 2899215), (9, 2254945), (11, 1844955), (15, 1352967), (21, 966405), (33, 614985), (35, 579843), (45, 450989), (55, 368991), (63, 322135), (77, 263565), (99, 204995), (105, 193281), (165, 122997), (231, 87855), (315, 64427), (385, 52713), (495, 40999), (693, 29285), (1155, 17571), (3465, 5857)]