20492920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73189}}^1$

素因数の和:73207

約数の個数: 32

約数和(自身を含む): 52696800

約数和(自身を除く): 32203880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73189, 146378, 292756, 365945, 512323, 585512, 731890, 1024646, 1463780, 2049292, 2561615, 2927560, 4098584, 5123230, 10246460, 20492920]

約数ペア:

[(1, 20492920), (2, 10246460), (4, 5123230), (5, 4098584), (7, 2927560), (8, 2561615), (10, 2049292), (14, 1463780), (20, 1024646), (28, 731890), (35, 585512), (40, 512323), (56, 365945), (70, 292756), (140, 146378), (280, 73189)]