20203888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74279}}^1$

素因数の和:74304

約数の個数: 20

約数和(自身を含む): 41448240

約数和(自身を除く): 21244352

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74279, 148558, 297116, 594232, 1188464, 1262743, 2525486, 5050972, 10101944, 20203888]

約数ペア:

[(1, 20203888), (2, 10101944), (4, 5050972), (8, 2525486), (16, 1262743), (17, 1188464), (34, 594232), (68, 297116), (136, 148558), (272, 74279)]