20215420511

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{1451}}^1$

素因数の和:2024

約数の個数: 48

約数和(自身を含む): 25403251104

約数和(自身を除く): 5187830593

約数列:

[1, 11, 13, 17, 121, 143, 187, 221, 521, 1451, 1573, 2057, 2431, 5731, 6773, 8857, 15961, 18863, 24667, 26741, 63041, 74503, 97427, 115141, 175571, 207493, 271337, 320671, 755971, 819533, 1071697, 1266551, 2282423, 2984707, 3527381, 8315681, 9827623, 12851507, 13932061, 38801191, 91472491, 108103853, 141366577, 167069591, 1189142383, 1555032347, 1837765501, 20215420511]

約数ペア:

[(1, 20215420511), (11, 1837765501), (13, 1555032347), (17, 1189142383), (121, 167069591), (143, 141366577), (187, 108103853), (221, 91472491), (521, 38801191), (1451, 13932061), (1573, 12851507), (2057, 9827623), (2431, 8315681), (5731, 3527381), (6773, 2984707), (8857, 2282423), (15961, 1266551), (18863, 1071697), (24667, 819533), (26741, 755971), (63041, 320671), (74503, 271337), (97427, 207493), (115141, 175571)]