20467456

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4703}}^1$

素因数の和:4736

約数の個数: 36

約数和(自身を含む): 43267392

約数和(自身を除く): 22799936

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4703, 9406, 18812, 37624, 75248, 79951, 150496, 159902, 300992, 319804, 601984, 639608, 1203968, 1279216, 2558432, 5116864, 10233728, 20467456]

約数ペア:

[(1, 20467456), (2, 10233728), (4, 5116864), (8, 2558432), (16, 1279216), (17, 1203968), (32, 639608), (34, 601984), (64, 319804), (68, 300992), (128, 159902), (136, 150496), (256, 79951), (272, 75248), (544, 37624), (1088, 18812), (2176, 9406), (4352, 4703)]