20447872

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9397}}^1$

素因数の和:9428

約数の個数: 32

約数和(自身を含む): 43136820

約数和(自身を除く): 22688948

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9397, 18794, 37588, 75176, 150352, 159749, 300704, 319498, 601408, 638996, 1202816, 1277992, 2555984, 5111968, 10223936, 20447872]

約数ペア:

[(1, 20447872), (2, 10223936), (4, 5111968), (8, 2555984), (16, 1277992), (17, 1202816), (32, 638996), (34, 601408), (64, 319498), (68, 300704), (128, 159749), (136, 150352), (272, 75176), (544, 37588), (1088, 18794), (2176, 9397)]