20163690169

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{5701}}^1$

素因数の和:5894

約数の個数: 48

約数和(自身を含む): 25741108800

約数和(自身を除く): 5577418631

約数列:

[1, 7, 19, 29, 49, 131, 133, 203, 551, 917, 931, 1421, 2489, 3799, 3857, 5701, 6419, 17423, 26593, 26999, 39907, 72181, 108319, 121961, 165329, 186151, 279349, 505267, 746831, 758233, 1157303, 3141251, 3536869, 5227817, 5307631, 8101121, 14189789, 21658099, 21988757, 36594719, 99328523, 151606693, 153921299, 411503881, 695299661, 1061246851, 2880527167, 20163690169]

約数ペア:

[(1, 20163690169), (7, 2880527167), (19, 1061246851), (29, 695299661), (49, 411503881), (131, 153921299), (133, 151606693), (203, 99328523), (551, 36594719), (917, 21988757), (931, 21658099), (1421, 14189789), (2489, 8101121), (3799, 5307631), (3857, 5227817), (5701, 3536869), (6419, 3141251), (17423, 1157303), (26593, 758233), (26999, 746831), (39907, 505267), (72181, 279349), (108319, 186151), (121961, 165329)]