20282744

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 39171600

約数和(自身を除く): 18888856

約数列:

[1, 2, 4, 8, 61, 89, 122, 178, 244, 356, 467, 488, 712, 934, 1868, 3736, 5429, 10858, 21716, 28487, 41563, 43432, 56974, 83126, 113948, 166252, 227896, 332504, 2535343, 5070686, 10141372, 20282744]

約数ペア:

[(1, 20282744), (2, 10141372), (4, 5070686), (8, 2535343), (61, 332504), (89, 227896), (122, 166252), (178, 113948), (244, 83126), (356, 56974), (467, 43432), (488, 41563), (712, 28487), (934, 21716), (1868, 10858), (3736, 5429)]