20890752

素因数分解:

$2^7\times 3^1\times {\mathrm{54403}}^1$

素因数の和:54420

約数の個数: 32

約数和(自身を含む): 55492080

約数和(自身を除く): 34601328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 54403, 108806, 163209, 217612, 326418, 435224, 652836, 870448, 1305672, 1740896, 2611344, 3481792, 5222688, 6963584, 10445376, 20890752]

約数ペア:

[(1, 20890752), (2, 10445376), (3, 6963584), (4, 5222688), (6, 3481792), (8, 2611344), (12, 1740896), (16, 1305672), (24, 870448), (32, 652836), (48, 435224), (64, 326418), (96, 217612), (128, 163209), (192, 108806), (384, 54403)]