20383957

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 24208128

約数和(自身を除く): 3824171

約数列:

[1, 11, 23, 31, 113, 253, 341, 529, 713, 1243, 2599, 3503, 5819, 7843, 16399, 28589, 38533, 59777, 80569, 180389, 657547, 886259, 1853087, 20383957]

約数ペア:

[(1, 20383957), (11, 1853087), (23, 886259), (31, 657547), (113, 180389), (253, 80569), (341, 59777), (529, 38533), (713, 28589), (1243, 16399), (2599, 7843), (3503, 5819)]