20018197116

素因数分解:

$2^2\times 3^7\times {\mathrm{1381}}^1\times {\mathrm{1657}}^1$

素因数の和:3063

約数の個数: 96

約数和(自身を含む): 52609533760

約数和(自身を除く): 32591336644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1381, 1458, 1657, 2187, 2762, 2916, 3314, 4143, 4374, 4971, 5524, 6628, 8286, 8748, 9942, 12429, 14913, 16572, 19884, 24858, 29826, 37287, 44739, 49716, 59652, 74574, 89478, 111861, 134217, 149148, 178956, 223722, 268434, 335583, 402651, 447444, 536868, 671166, 805302, 1006749, 1207953, 1342332, 1610604, 2013498, 2288317, 2415906, 3020247, 3623859, 4026996, 4576634, 4831812, 6040494, 6864951, 7247718, 9153268, 12080988, 13729902, 14495436, 20594853, 27459804, 41189706, 61784559, 82379412, 123569118, 185353677, 247138236, 370707354, 556061031, 741414708, 1112122062, 1668183093, 2224244124, 3336366186, 5004549279, 6672732372, 10009098558, 20018197116]

約数ペア:

[(1, 20018197116), (2, 10009098558), (3, 6672732372), (4, 5004549279), (6, 3336366186), (9, 2224244124), (12, 1668183093), (18, 1112122062), (27, 741414708), (36, 556061031), (54, 370707354), (81, 247138236), (108, 185353677), (162, 123569118), (243, 82379412), (324, 61784559), (486, 41189706), (729, 27459804), (972, 20594853), (1381, 14495436), (1458, 13729902), (1657, 12080988), (2187, 9153268), (2762, 7247718), (2916, 6864951), (3314, 6040494), (4143, 4831812), (4374, 4576634), (4971, 4026996), (5524, 3623859), (6628, 3020247), (8286, 2415906), (8748, 2288317), (9942, 2013498), (12429, 1610604), (14913, 1342332), (16572, 1207953), (19884, 1006749), (24858, 805302), (29826, 671166), (37287, 536868), (44739, 447444), (49716, 402651), (59652, 335583), (74574, 268434), (89478, 223722), (111861, 178956), (134217, 149148)]