20291438

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{1289}}^1$

素因数の和:1771

約数の個数: 16

約数和(自身を含む): 32322240

約数和(自身を除く): 12030802

約数列:

[1, 2, 17, 34, 463, 926, 1289, 2578, 7871, 15742, 21913, 43826, 596807, 1193614, 10145719, 20291438]

約数ペア:

[(1, 20291438), (2, 10145719), (17, 1193614), (34, 596807), (463, 43826), (926, 21913), (1289, 15742), (2578, 7871)]