20940738245

素因数分解:

$5^1\times 7^3\times {\mathrm{12210343}}^1$

素因数の和:12210369

約数の個数: 16

約数和(自身を含む): 29304825600

約数和(自身を除く): 8364087355

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 12210343, 61051715, 85472401, 427362005, 598306807, 2991534035, 4188147649, 20940738245]

約数ペア:

[(1, 20940738245), (5, 4188147649), (7, 2991534035), (35, 598306807), (49, 427362005), (245, 85472401), (343, 61051715), (1715, 12210343)]