20107966580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1\times {\mathrm{69737}}^1$

素因数の和:70868

約数の個数: 48

約数和(自身を含む): 45516597840

約数和(自身を除く): 25408631260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1109, 2218, 4436, 5545, 11090, 14417, 22180, 28834, 57668, 69737, 72085, 139474, 144170, 278948, 288340, 348685, 697370, 906581, 1394740, 1813162, 3626324, 4532905, 9065810, 18131620, 77338333, 154676666, 309353332, 386691665, 773383330, 1005398329, 1546766660, 2010796658, 4021593316, 5026991645, 10053983290, 20107966580]

約数ペア:

[(1, 20107966580), (2, 10053983290), (4, 5026991645), (5, 4021593316), (10, 2010796658), (13, 1546766660), (20, 1005398329), (26, 773383330), (52, 386691665), (65, 309353332), (130, 154676666), (260, 77338333), (1109, 18131620), (2218, 9065810), (4436, 4532905), (5545, 3626324), (11090, 1813162), (14417, 1394740), (22180, 906581), (28834, 697370), (57668, 348685), (69737, 288340), (72085, 278948), (139474, 144170)]