20213365522

素因数分解:

$2^1\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{726629}}^1$

素因数の和:728625

約数の個数: 16

約数和(自身を含む): 34668970560

約数和(自身を除く): 14455605038

約数列:

[1, 2, 7, 14, 1987, 3974, 13909, 27818, 726629, 1453258, 5086403, 10172806, 1443811823, 2887623646, 10106682761, 20213365522]

約数ペア:

[(1, 20213365522), (2, 10106682761), (7, 2887623646), (14, 1443811823), (1987, 10172806), (3974, 5086403), (13909, 1453258), (27818, 726629)]