20180783

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{823}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 24047616

約数和(自身を除く): 3866833

約数列:

[1, 7, 31, 113, 217, 791, 823, 3503, 5761, 24521, 25513, 92999, 178591, 650993, 2882969, 20180783]

約数ペア:

[(1, 20180783), (7, 2882969), (31, 650993), (113, 178591), (217, 92999), (791, 25513), (823, 24521), (3503, 5761)]