20849402

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{5189}}^1$

素因数の和:5246

約数の個数: 24

約数和(自身を含む): 37274580

約数和(自身を除く): 16425178

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 5189, 10378, 36323, 72646, 212749, 254261, 425498, 508522, 1489243, 2978486, 10424701, 20849402]

約数ペア:

[(1, 20849402), (2, 10424701), (7, 2978486), (14, 1489243), (41, 508522), (49, 425498), (82, 254261), (98, 212749), (287, 72646), (574, 36323), (2009, 10378), (4018, 5189)]