201890420

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{9791}}^1$

素因数の和:10831

約数の個数: 24

約数和(自身を含む): 424424448

約数和(自身を除く): 222534028

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 4124, 5155, 9791, 10310, 19582, 20620, 39164, 48955, 97910, 195820, 10094521, 20189042, 40378084, 50472605, 100945210, 201890420]

約数ペア:

[(1, 201890420), (2, 100945210), (4, 50472605), (5, 40378084), (10, 20189042), (20, 10094521), (1031, 195820), (2062, 97910), (4124, 48955), (5155, 39164), (9791, 20620), (10310, 19582)]