20031388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1697}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 37940112

約数和(自身を除く): 17908724

約数列:

[1, 2, 4, 13, 26, 52, 227, 454, 908, 1697, 2951, 3394, 5902, 6788, 11804, 22061, 44122, 88244, 385219, 770438, 1540876, 5007847, 10015694, 20031388]

約数ペア:

[(1, 20031388), (2, 10015694), (4, 5007847), (13, 1540876), (26, 770438), (52, 385219), (227, 88244), (454, 44122), (908, 22061), (1697, 11804), (2951, 6788), (3394, 5902)]