20139932421

素因数分解:

$3^4\times 7^2\times {\mathrm{829}}^1\times {\mathrm{6121}}^1$

素因数の和:6976

約数の個数: 60

約数和(自身を含む): 35045450220

約数和(自身を除く): 14905517799

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 829, 1323, 2487, 3969, 5803, 6121, 7461, 17409, 18363, 22383, 40621, 42847, 52227, 55089, 67149, 121863, 128541, 156681, 165267, 299929, 365589, 385623, 470043, 495801, 899787, 1096767, 1156869, 2699361, 3290301, 3470607, 5074309, 8098083, 15222927, 24294249, 35520163, 45668781, 106560489, 137006343, 248641141, 319681467, 411019029, 745923423, 959044401, 2237770269, 2877133203, 6713310807, 20139932421]

約数ペア:

[(1, 20139932421), (3, 6713310807), (7, 2877133203), (9, 2237770269), (21, 959044401), (27, 745923423), (49, 411019029), (63, 319681467), (81, 248641141), (147, 137006343), (189, 106560489), (441, 45668781), (567, 35520163), (829, 24294249), (1323, 15222927), (2487, 8098083), (3969, 5074309), (5803, 3470607), (6121, 3290301), (7461, 2699361), (17409, 1156869), (18363, 1096767), (22383, 899787), (40621, 495801), (42847, 470043), (52227, 385623), (55089, 365589), (67149, 299929), (121863, 165267), (128541, 156681)]