20163618680

素因数分解:

$2^3\times 5^1\times {\mathrm{24697}}^1\times {\mathrm{20411}}^1$

素因数の和:45119

約数の個数: 32

約数和(自身を含む): 45372201840

約数和(自身を除く): 25208583160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20411, 24697, 40822, 49394, 81644, 98788, 102055, 123485, 163288, 197576, 204110, 246970, 408220, 493940, 816440, 987880, 504090467, 1008180934, 2016361868, 2520452335, 4032723736, 5040904670, 10081809340, 20163618680]

約数ペア:

[(1, 20163618680), (2, 10081809340), (4, 5040904670), (5, 4032723736), (8, 2520452335), (10, 2016361868), (20, 1008180934), (40, 504090467), (20411, 987880), (24697, 816440), (40822, 493940), (49394, 408220), (81644, 246970), (98788, 204110), (102055, 197576), (123485, 163288)]