20408512892

素因数分解:

$2^2\times {\mathrm{257}}^1\times {\mathrm{419}}^1\times {\mathrm{47381}}^1$

素因数の和:48061

約数の個数: 24

約数和(自身を含む): 35940194640

約数和(自身を除く): 15531681748

約数列:

[1, 2, 4, 257, 419, 514, 838, 1028, 1676, 47381, 94762, 107683, 189524, 215366, 430732, 12176917, 19852639, 24353834, 39705278, 48707668, 79410556, 5102128223, 10204256446, 20408512892]

約数ペア:

[(1, 20408512892), (2, 10204256446), (4, 5102128223), (257, 79410556), (419, 48707668), (514, 39705278), (838, 24353834), (1028, 19852639), (1676, 12176917), (47381, 430732), (94762, 215366), (107683, 189524)]