20557362

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{1427}}^1$

素因数の和:1460

約数の個数: 40

約数和(自身を含む): 47997936

約数和(自身を除く): 27440574

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 1427, 2058, 2401, 2854, 4281, 4802, 7203, 8562, 9989, 14406, 19978, 29967, 59934, 69923, 139846, 209769, 419538, 489461, 978922, 1468383, 2936766, 3426227, 6852454, 10278681, 20557362]

約数ペア:

[(1, 20557362), (2, 10278681), (3, 6852454), (6, 3426227), (7, 2936766), (14, 1468383), (21, 978922), (42, 489461), (49, 419538), (98, 209769), (147, 139846), (294, 69923), (343, 59934), (686, 29967), (1029, 19978), (1427, 14406), (2058, 9989), (2401, 8562), (2854, 7203), (4281, 4802)]