20819798

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{5419}}^1$

素因数の和:5551

約数の個数: 16

約数和(自身を含む): 33365520

約数和(自身を除く): 12545722

約数列:

[1, 2, 17, 34, 113, 226, 1921, 3842, 5419, 10838, 92123, 184246, 612347, 1224694, 10409899, 20819798]

約数ペア:

[(1, 20819798), (2, 10409899), (17, 1224694), (34, 612347), (113, 184246), (226, 92123), (1921, 10838), (3842, 5419)]