20137507040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17979917}}^1$

素因数の和:17979939

約数の個数: 48

約数和(自身を含む): 54371272032

約数和(自身を除く): 34233764992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17979917, 35959834, 71919668, 89899585, 125859419, 143839336, 179799170, 251718838, 287678672, 359598340, 503437676, 575357344, 629297095, 719196680, 1006875352, 1258594190, 1438393360, 2013750704, 2517188380, 2876786720, 4027501408, 5034376760, 10068753520, 20137507040]

約数ペア:

[(1, 20137507040), (2, 10068753520), (4, 5034376760), (5, 4027501408), (7, 2876786720), (8, 2517188380), (10, 2013750704), (14, 1438393360), (16, 1258594190), (20, 1006875352), (28, 719196680), (32, 629297095), (35, 575357344), (40, 503437676), (56, 359598340), (70, 287678672), (80, 251718838), (112, 179799170), (140, 143839336), (160, 125859419), (224, 89899585), (280, 71919668), (560, 35959834), (1120, 17979917)]