20193664

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 40759200

約数和(自身を除く): 20565536

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 1997, 2528, 3994, 5056, 7988, 10112, 15976, 31952, 63904, 127808, 157763, 255616, 315526, 631052, 1262104, 2524208, 5048416, 10096832, 20193664]

約数ペア:

[(1, 20193664), (2, 10096832), (4, 5048416), (8, 2524208), (16, 1262104), (32, 631052), (64, 315526), (79, 255616), (128, 157763), (158, 127808), (316, 63904), (632, 31952), (1264, 15976), (1997, 10112), (2528, 7988), (3994, 5056)]