20073830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 42698016

約数和(自身を除く): 22624186

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 577, 710, 994, 1154, 2485, 2885, 3479, 4039, 4970, 5770, 6958, 8078, 17395, 20195, 28273, 34790, 40390, 40967, 56546, 81934, 141365, 204835, 282730, 286769, 409670, 573538, 1433845, 2007383, 2867690, 4014766, 10036915, 20073830]

約数ペア:

[(1, 20073830), (2, 10036915), (5, 4014766), (7, 2867690), (10, 2007383), (14, 1433845), (35, 573538), (49, 409670), (70, 286769), (71, 282730), (98, 204835), (142, 141365), (245, 81934), (355, 56546), (490, 40967), (497, 40390), (577, 34790), (710, 28273), (994, 20195), (1154, 17395), (2485, 8078), (2885, 6958), (3479, 5770), (4039, 4970)]