201968420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{234847}}^1$

素因数の和:234899

約数の個数: 24

約数和(自身を含む): 433999104

約数和(自身を除く): 232030684

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 234847, 469694, 939388, 1174235, 2348470, 4696940, 10098421, 20196842, 40393684, 50492105, 100984210, 201968420]

約数ペア:

[(1, 201968420), (2, 100984210), (4, 50492105), (5, 40393684), (10, 20196842), (20, 10098421), (43, 4696940), (86, 2348470), (172, 1174235), (215, 939388), (430, 469694), (860, 234847)]