20128430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287549}}^1$

素因数の和:287563

約数の個数: 16

約数和(自身を含む): 41407200

約数和(自身を除く): 21278770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287549, 575098, 1437745, 2012843, 2875490, 4025686, 10064215, 20128430]

約数ペア:

[(1, 20128430), (2, 10064215), (5, 4025686), (7, 2875490), (10, 2012843), (14, 1437745), (35, 575098), (70, 287549)]