20427576

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 55429920

約数和(自身を除く): 35002344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 233, 281, 312, 466, 562, 699, 843, 932, 1124, 1398, 1686, 1864, 2248, 2796, 3029, 3372, 3653, 5592, 6058, 6744, 7306, 9087, 10959, 12116, 14612, 18174, 21918, 24232, 29224, 36348, 43836, 65473, 72696, 87672, 130946, 196419, 261892, 392838, 523784, 785676, 851149, 1571352, 1702298, 2553447, 3404596, 5106894, 6809192, 10213788, 20427576]

約数ペア:

[(1, 20427576), (2, 10213788), (3, 6809192), (4, 5106894), (6, 3404596), (8, 2553447), (12, 1702298), (13, 1571352), (24, 851149), (26, 785676), (39, 523784), (52, 392838), (78, 261892), (104, 196419), (156, 130946), (233, 87672), (281, 72696), (312, 65473), (466, 43836), (562, 36348), (699, 29224), (843, 24232), (932, 21918), (1124, 18174), (1398, 14612), (1686, 12116), (1864, 10959), (2248, 9087), (2796, 7306), (3029, 6744), (3372, 6058), (3653, 5592)]