20940748

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1741}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 38240384

約数和(自身を除く): 17299636

約数列:

[1, 2, 4, 31, 62, 97, 124, 194, 388, 1741, 3007, 3482, 6014, 6964, 12028, 53971, 107942, 168877, 215884, 337754, 675508, 5235187, 10470374, 20940748]

約数ペア:

[(1, 20940748), (2, 10470374), (4, 5235187), (31, 675508), (62, 337754), (97, 215884), (124, 168877), (194, 107942), (388, 53971), (1741, 12028), (3007, 6964), (3482, 6014)]