20087101136

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30620581}}^1$

素因数の和:30620630

約数の個数: 20

約数和(自身を含む): 39867997764

約数和(自身を除く): 19780896628

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30620581, 61241162, 122482324, 244964648, 489929296, 1255443821, 2510887642, 5021775284, 10043550568, 20087101136]

約数ペア:

[(1, 20087101136), (2, 10043550568), (4, 5021775284), (8, 2510887642), (16, 1255443821), (41, 489929296), (82, 244964648), (164, 122482324), (328, 61241162), (656, 30620581)]