20938982

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{2909}}^1$

素因数の和:3031

約数の個数: 16

約数和(自身を含む): 32475600

約数和(自身を除く): 11536618

約数列:

[1, 2, 59, 61, 118, 122, 2909, 3599, 5818, 7198, 171631, 177449, 343262, 354898, 10469491, 20938982]

約数ペア:

[(1, 20938982), (2, 10469491), (59, 354898), (61, 343262), (118, 177449), (122, 171631), (2909, 7198), (3599, 5818)]