20185852240

素因数分解:

$2^4\times 5^1\times {\mathrm{2297}}^1\times {\mathrm{109849}}^1$

素因数の和:112159

約数の個数: 40

約数和(自身を含む): 46952965800

約数和(自身を除く): 26767113560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2297, 4594, 9188, 11485, 18376, 22970, 36752, 45940, 91880, 109849, 183760, 219698, 439396, 549245, 878792, 1098490, 1757584, 2196980, 4393960, 8787920, 252323153, 504646306, 1009292612, 1261615765, 2018585224, 2523231530, 4037170448, 5046463060, 10092926120, 20185852240]

約数ペア:

[(1, 20185852240), (2, 10092926120), (4, 5046463060), (5, 4037170448), (8, 2523231530), (10, 2018585224), (16, 1261615765), (20, 1009292612), (40, 504646306), (80, 252323153), (2297, 8787920), (4594, 4393960), (9188, 2196980), (11485, 1757584), (18376, 1098490), (22970, 878792), (36752, 549245), (45940, 439396), (91880, 219698), (109849, 183760)]