20443588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 21384380

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 151, 181, 187, 302, 362, 374, 604, 724, 748, 1661, 1991, 2567, 3077, 3322, 3982, 5134, 6154, 6644, 7964, 10268, 12308, 27331, 28237, 33847, 54662, 56474, 67694, 109324, 112948, 135388, 300641, 464627, 601282, 929254, 1202564, 1858508, 5110897, 10221794, 20443588]

約数ペア:

[(1, 20443588), (2, 10221794), (4, 5110897), (11, 1858508), (17, 1202564), (22, 929254), (34, 601282), (44, 464627), (68, 300641), (151, 135388), (181, 112948), (187, 109324), (302, 67694), (362, 56474), (374, 54662), (604, 33847), (724, 28237), (748, 27331), (1661, 12308), (1991, 10268), (2567, 7964), (3077, 6644), (3322, 6154), (3982, 5134)]