20785055312

素因数分解:

$2^4\times 7^1\times {\mathrm{13331}}^1\times {\mathrm{13921}}^1$

素因数の和:27267

約数の個数: 40

約数和(自身を含む): 46030809792

約数和(自身を除く): 25245754480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 13331, 13921, 26662, 27842, 53324, 55684, 93317, 97447, 106648, 111368, 186634, 194894, 213296, 222736, 373268, 389788, 746536, 779576, 1493072, 1559152, 185580851, 371161702, 742323404, 1299065957, 1484646808, 2598131914, 2969293616, 5196263828, 10392527656, 20785055312]

約数ペア:

[(1, 20785055312), (2, 10392527656), (4, 5196263828), (7, 2969293616), (8, 2598131914), (14, 1484646808), (16, 1299065957), (28, 742323404), (56, 371161702), (112, 185580851), (13331, 1559152), (13921, 1493072), (26662, 779576), (27842, 746536), (53324, 389788), (55684, 373268), (93317, 222736), (97447, 213296), (106648, 194894), (111368, 186634)]