20120850020

素因数分解:

$2^2\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{706987}}^1$

素因数の和:708419

約数の個数: 24

約数和(自身を含む): 42283538304

約数和(自身を除く): 22162688284

約数列:

[1, 2, 4, 5, 10, 20, 1423, 2846, 5692, 7115, 14230, 28460, 706987, 1413974, 2827948, 3534935, 7069870, 14139740, 1006042501, 2012085002, 4024170004, 5030212505, 10060425010, 20120850020]

約数ペア:

[(1, 20120850020), (2, 10060425010), (4, 5030212505), (5, 4024170004), (10, 2012085002), (20, 1006042501), (1423, 14139740), (2846, 7069870), (5692, 3534935), (7115, 2827948), (14230, 1413974), (28460, 706987)]