20681238819

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{1867}}^1\times {\mathrm{90059}}^1$

素因数の和:91970

約数の個数: 16

約数和(自身を含む): 28262989440

約数和(自身を除く): 7581750621

約数列:

[1, 3, 41, 123, 1867, 5601, 76547, 90059, 229641, 270177, 3692419, 11077257, 168140153, 504420459, 6893746273, 20681238819]

約数ペア:

[(1, 20681238819), (3, 6893746273), (41, 504420459), (123, 168140153), (1867, 11077257), (5601, 3692419), (76547, 270177), (90059, 229641)]