20458072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{150427}}^1$

素因数の和:150450

約数の個数: 16

約数和(自身を含む): 40615560

約数和(自身を除く): 20157488

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 150427, 300854, 601708, 1203416, 2557259, 5114518, 10229036, 20458072]

約数ペア:

[(1, 20458072), (2, 10229036), (4, 5114518), (8, 2557259), (17, 1203416), (34, 601708), (68, 300854), (136, 150427)]