20257302568

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1\times {\mathrm{2801}}^1$

素因数の和:3358

約数の個数: 64

約数和(自身を含む): 39845448720

約数和(自身を除く): 19588146152

約数列:

[1, 2, 4, 8, 37, 53, 74, 106, 148, 212, 296, 424, 461, 922, 1844, 1961, 2801, 3688, 3922, 5602, 7844, 11204, 15688, 17057, 22408, 24433, 34114, 48866, 68228, 97732, 103637, 136456, 148453, 195464, 207274, 296906, 414548, 593812, 829096, 904021, 1187624, 1291261, 1808042, 2582522, 3616084, 5165044, 5492761, 7232168, 10330088, 10985522, 21971044, 43942088, 47776657, 68436833, 95553314, 136873666, 191106628, 273747332, 382213256, 547494664, 2532162821, 5064325642, 10128651284, 20257302568]

約数ペア:

[(1, 20257302568), (2, 10128651284), (4, 5064325642), (8, 2532162821), (37, 547494664), (53, 382213256), (74, 273747332), (106, 191106628), (148, 136873666), (212, 95553314), (296, 68436833), (424, 47776657), (461, 43942088), (922, 21971044), (1844, 10985522), (1961, 10330088), (2801, 7232168), (3688, 5492761), (3922, 5165044), (5602, 3616084), (7844, 2582522), (11204, 1808042), (15688, 1291261), (17057, 1187624), (22408, 904021), (24433, 829096), (34114, 593812), (48866, 414548), (68228, 296906), (97732, 207274), (103637, 195464), (136456, 148453)]