20121490210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69384449}}^1$

素因数の和:69384485

約数の個数: 16

約数和(自身を含む): 37467603000

約数和(自身を除く): 17346112790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 69384449, 138768898, 346922245, 693844490, 2012149021, 4024298042, 10060745105, 20121490210]

約数ペア:

[(1, 20121490210), (2, 10060745105), (5, 4024298042), (10, 2012149021), (29, 693844490), (58, 346922245), (145, 138768898), (290, 69384449)]