20851206

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{84761}}^1$

素因数の和:84807

約数の個数: 16

約数和(自身を含む): 42720048

約数和(自身を除く): 21868842

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 84761, 169522, 254283, 508566, 3475201, 6950402, 10425603, 20851206]

約数ペア:

[(1, 20851206), (2, 10425603), (3, 6950402), (6, 3475201), (41, 508566), (82, 254283), (123, 169522), (246, 84761)]