20121695993

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{24977}}^1$

素因数の和:25433

約数の個数: 24

約数和(自身を含む): 24038527464

約数和(自身を除く): 3916831471

約数列:

[1, 7, 41, 49, 287, 401, 2009, 2807, 16441, 19649, 24977, 115087, 174839, 805609, 1024057, 1223873, 7168399, 10015777, 50178793, 70110439, 410646857, 490773073, 2874527999, 20121695993]

約数ペア:

[(1, 20121695993), (7, 2874527999), (41, 490773073), (49, 410646857), (287, 70110439), (401, 50178793), (2009, 10015777), (2807, 7168399), (16441, 1223873), (19649, 1024057), (24977, 805609), (115087, 174839)]