20384128

素因数分解:

$2^7\times {\mathrm{163}}^1\times {\mathrm{977}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 40899960

約数和(自身を除く): 20515832

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 326, 652, 977, 1304, 1954, 2608, 3908, 5216, 7816, 10432, 15632, 20864, 31264, 62528, 125056, 159251, 318502, 637004, 1274008, 2548016, 5096032, 10192064, 20384128]

約数ペア:

[(1, 20384128), (2, 10192064), (4, 5096032), (8, 2548016), (16, 1274008), (32, 637004), (64, 318502), (128, 159251), (163, 125056), (326, 62528), (652, 31264), (977, 20864), (1304, 15632), (1954, 10432), (2608, 7816), (3908, 5216)]