20540208

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32917}}^1$

素因数の和:32941

約数の個数: 40

約数和(自身を含む): 57145648

約数和(自身を除く): 36605440

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32917, 65834, 98751, 131668, 197502, 263336, 395004, 427921, 526672, 790008, 855842, 1283763, 1580016, 1711684, 2567526, 3423368, 5135052, 6846736, 10270104, 20540208]

約数ペア:

[(1, 20540208), (2, 10270104), (3, 6846736), (4, 5135052), (6, 3423368), (8, 2567526), (12, 1711684), (13, 1580016), (16, 1283763), (24, 855842), (26, 790008), (39, 526672), (48, 427921), (52, 395004), (78, 263336), (104, 197502), (156, 131668), (208, 98751), (312, 65834), (624, 32917)]