20878464

素因数分解:

$2^7\times 3^1\times {\mathrm{54371}}^1$

素因数の和:54388

約数の個数: 32

約数和(自身を含む): 55459440

約数和(自身を除く): 34580976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 54371, 108742, 163113, 217484, 326226, 434968, 652452, 869936, 1304904, 1739872, 2609808, 3479744, 5219616, 6959488, 10439232, 20878464]

約数ペア:

[(1, 20878464), (2, 10439232), (3, 6959488), (4, 5219616), (6, 3479744), (8, 2609808), (12, 1739872), (16, 1304904), (24, 869936), (32, 652452), (48, 434968), (64, 326226), (96, 217484), (128, 163113), (192, 108742), (384, 54371)]