20004416

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{16451}}^1$

素因数の和:16482

約数の個数: 28

約数和(自身を含む): 41788080

約数和(自身を除く): 21783664

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 16451, 32902, 65804, 131608, 263216, 312569, 526432, 625138, 1052864, 1250276, 2500552, 5001104, 10002208, 20004416]

約数ペア:

[(1, 20004416), (2, 10002208), (4, 5001104), (8, 2500552), (16, 1250276), (19, 1052864), (32, 625138), (38, 526432), (64, 312569), (76, 263216), (152, 131608), (304, 65804), (608, 32902), (1216, 16451)]