20589952

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5189}}^1$

素因数の和:5234

約数の個数: 32

約数和(自身を含む): 42350400

約数和(自身を除く): 21760448

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5189, 10378, 20756, 41512, 83024, 160859, 166048, 321718, 332096, 643436, 664192, 1286872, 2573744, 5147488, 10294976, 20589952]

約数ペア:

[(1, 20589952), (2, 10294976), (4, 5147488), (8, 2573744), (16, 1286872), (31, 664192), (32, 643436), (62, 332096), (64, 321718), (124, 166048), (128, 160859), (248, 83024), (496, 41512), (992, 20756), (1984, 10378), (3968, 5189)]