20971360

素因数分解:

$2^5\times 5^1\times {\mathrm{131071}}^1$

素因数の和:131086

約数の個数: 24

約数和(自身を含む): 49545216

約数和(自身を除く): 28573856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 131071, 262142, 524284, 655355, 1048568, 1310710, 2097136, 2621420, 4194272, 5242840, 10485680, 20971360]

約数ペア:

[(1, 20971360), (2, 10485680), (4, 5242840), (5, 4194272), (8, 2621420), (10, 2097136), (16, 1310710), (20, 1048568), (32, 655355), (40, 524284), (80, 262142), (160, 131071)]