20898464

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21067}}^1$

素因数の和:21108

約数の個数: 24

約数和(自身を含む): 42473088

約数和(自身を除く): 21574624

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21067, 42134, 84268, 168536, 337072, 653077, 674144, 1306154, 2612308, 5224616, 10449232, 20898464]

約数ペア:

[(1, 20898464), (2, 10449232), (4, 5224616), (8, 2612308), (16, 1306154), (31, 674144), (32, 653077), (62, 337072), (124, 168536), (248, 84268), (496, 42134), (992, 21067)]