20330648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{839}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 20946952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 233, 466, 839, 932, 1678, 1864, 3029, 3356, 6058, 6712, 10907, 12116, 21814, 24232, 43628, 87256, 195487, 390974, 781948, 1563896, 2541331, 5082662, 10165324, 20330648]

約数ペア:

[(1, 20330648), (2, 10165324), (4, 5082662), (8, 2541331), (13, 1563896), (26, 781948), (52, 390974), (104, 195487), (233, 87256), (466, 43628), (839, 24232), (932, 21814), (1678, 12116), (1864, 10907), (3029, 6712), (3356, 6058)]