20213950

素因数分解:

$2^1\times 5^2\times {\mathrm{523}}^1\times {\mathrm{773}}^1$

素因数の和:1308

約数の個数: 24

約数和(自身を含む): 37718568

約数和(自身を除く): 17504618

約数列:

[1, 2, 5, 10, 25, 50, 523, 773, 1046, 1546, 2615, 3865, 5230, 7730, 13075, 19325, 26150, 38650, 404279, 808558, 2021395, 4042790, 10106975, 20213950]

約数ペア:

[(1, 20213950), (2, 10106975), (5, 4042790), (10, 2021395), (25, 808558), (50, 404279), (523, 38650), (773, 26150), (1046, 19325), (1546, 13075), (2615, 7730), (3865, 5230)]