20412730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6827}}^1$

素因数の和:6870

約数の個数: 32

約数和(自身を含む): 41295744

約数和(自身を除く): 20883014

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6827, 13654, 34135, 68270, 88751, 157021, 177502, 314042, 443755, 785105, 887510, 1570210, 2041273, 4082546, 10206365, 20412730]

約数ペア:

[(1, 20412730), (2, 10206365), (5, 4082546), (10, 2041273), (13, 1570210), (23, 887510), (26, 785105), (46, 443755), (65, 314042), (115, 177502), (130, 157021), (230, 88751), (299, 68270), (598, 34135), (1495, 13654), (2990, 6827)]