19926260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16333}}^1$

素因数の和:16403

約数の個数: 24

約数和(自身を含む): 42533736

約数和(自身を除く): 22607476

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16333, 32666, 65332, 81665, 163330, 326660, 996313, 1992626, 3985252, 4981565, 9963130, 19926260]

約数ペア:

[(1, 19926260), (2, 9963130), (4, 4981565), (5, 3985252), (10, 1992626), (20, 996313), (61, 326660), (122, 163330), (244, 81665), (305, 65332), (610, 32666), (1220, 16333)]