20158411

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 6452789

約数列:

[1, 7, 13, 19, 89, 91, 131, 133, 247, 623, 917, 1157, 1691, 1703, 1729, 2489, 8099, 11659, 11837, 11921, 17423, 21983, 32357, 81613, 151567, 153881, 221521, 226499, 1060969, 1550647, 2879773, 20158411]

約数ペア:

[(1, 20158411), (7, 2879773), (13, 1550647), (19, 1060969), (89, 226499), (91, 221521), (131, 153881), (133, 151567), (247, 81613), (623, 32357), (917, 21983), (1157, 17423), (1691, 11921), (1703, 11837), (1729, 11659), (2489, 8099)]