20168637568

素因数分解:

$2^7\times {\mathrm{139}}^1\times {\mathrm{1133579}}^1$

素因数の和:1133732

約数の個数: 32

約数和(自身を含む): 40468806000

約数和(自身を除く): 20300168432

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 278, 556, 1112, 2224, 4448, 8896, 17792, 1133579, 2267158, 4534316, 9068632, 18137264, 36274528, 72549056, 145098112, 157567481, 315134962, 630269924, 1260539848, 2521079696, 5042159392, 10084318784, 20168637568]

約数ペア:

[(1, 20168637568), (2, 10084318784), (4, 5042159392), (8, 2521079696), (16, 1260539848), (32, 630269924), (64, 315134962), (128, 157567481), (139, 145098112), (278, 72549056), (556, 36274528), (1112, 18137264), (2224, 9068632), (4448, 4534316), (8896, 2267158), (17792, 1133579)]