2019950980

素因数分解:

$2^2\times 5^1\times {\mathrm{21613}}^1\times {\mathrm{4673}}^1$

素因数の和:26295

約数の個数: 24

約数和(自身を含む): 4243001112

約数和(自身を除く): 2223050132

約数列:

[1, 2, 4, 5, 10, 20, 4673, 9346, 18692, 21613, 23365, 43226, 46730, 86452, 93460, 108065, 216130, 432260, 100997549, 201995098, 403990196, 504987745, 1009975490, 2019950980]

約数ペア:

[(1, 2019950980), (2, 1009975490), (4, 504987745), (5, 403990196), (10, 201995098), (20, 100997549), (4673, 432260), (9346, 216130), (18692, 108065), (21613, 93460), (23365, 86452), (43226, 46730)]