20215210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{118913}}^1$

素因数の和:118937

約数の個数: 16

約数和(自身を含む): 38528136

約数和(自身を除く): 18312926

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 118913, 237826, 594565, 1189130, 2021521, 4043042, 10107605, 20215210]

約数ペア:

[(1, 20215210), (2, 10107605), (5, 4043042), (10, 2021521), (17, 1189130), (34, 594565), (85, 237826), (170, 118913)]