20557952

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{6983}}^1$

素因数の和:7020

約数の個数: 32

約数和(自身を含む): 42742080

約数和(自身を除く): 22184128

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 6983, 13966, 27932, 55864, 111728, 160609, 223456, 321218, 446912, 642436, 893824, 1284872, 2569744, 5139488, 10278976, 20557952]

約数ペア:

[(1, 20557952), (2, 10278976), (4, 5139488), (8, 2569744), (16, 1284872), (23, 893824), (32, 642436), (46, 446912), (64, 321218), (92, 223456), (128, 160609), (184, 111728), (368, 55864), (736, 27932), (1472, 13966), (2944, 6983)]