20576504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2953}}^1$

素因数の和:3039

約数の個数: 32

約数和(自身を含む): 42183120

約数和(自身を除く): 21606616

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 2953, 3484, 5906, 6968, 11812, 23624, 38389, 76778, 153556, 197851, 307112, 395702, 791404, 1582808, 2572063, 5144126, 10288252, 20576504]

約数ペア:

[(1, 20576504), (2, 10288252), (4, 5144126), (8, 2572063), (13, 1582808), (26, 791404), (52, 395702), (67, 307112), (104, 197851), (134, 153556), (268, 76778), (536, 38389), (871, 23624), (1742, 11812), (2953, 6968), (3484, 5906)]