20199499191

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{1721}}^1\times {\mathrm{21379}}^1$

素因数の和:23167

約数の個数: 24

約数和(自身を含む): 29673986160

約数和(自身を除く): 9474486969

約数列:

[1, 3, 9, 61, 183, 549, 1721, 5163, 15489, 21379, 64137, 104981, 192411, 314943, 944829, 1304119, 3912357, 11737071, 36793259, 110379777, 331139331, 2244388799, 6733166397, 20199499191]

約数ペア:

[(1, 20199499191), (3, 6733166397), (9, 2244388799), (61, 331139331), (183, 110379777), (549, 36793259), (1721, 11737071), (5163, 3912357), (15489, 1304119), (21379, 944829), (64137, 314943), (104981, 192411)]