20756608

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5231}}^1$

素因数の和:5276

約数の個数: 32

約数和(自身を含む): 42693120

約数和(自身を除く): 21936512

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5231, 10462, 20924, 41848, 83696, 162161, 167392, 324322, 334784, 648644, 669568, 1297288, 2594576, 5189152, 10378304, 20756608]

約数ペア:

[(1, 20756608), (2, 10378304), (4, 5189152), (8, 2594576), (16, 1297288), (31, 669568), (32, 648644), (62, 334784), (64, 324322), (124, 167392), (128, 162161), (248, 83696), (496, 41848), (992, 20924), (1984, 10462), (3968, 5231)]