20847996

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:536

約数の個数: 96

約数和(自身を含む): 60211200

約数和(自身を除く): 39363204

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 93, 108, 117, 124, 156, 186, 234, 279, 351, 372, 403, 468, 479, 558, 702, 806, 837, 958, 1116, 1209, 1404, 1437, 1612, 1674, 1916, 2418, 2874, 3348, 3627, 4311, 4836, 5748, 6227, 7254, 8622, 10881, 12454, 12933, 14508, 14849, 17244, 18681, 21762, 24908, 25866, 29698, 37362, 43524, 44547, 51732, 56043, 59396, 74724, 89094, 112086, 133641, 168129, 178188, 193037, 224172, 267282, 336258, 386074, 400923, 534564, 579111, 672516, 772148, 801846, 1158222, 1603692, 1737333, 2316444, 3474666, 5211999, 6949332, 10423998, 20847996]

約数ペア:

[(1, 20847996), (2, 10423998), (3, 6949332), (4, 5211999), (6, 3474666), (9, 2316444), (12, 1737333), (13, 1603692), (18, 1158222), (26, 801846), (27, 772148), (31, 672516), (36, 579111), (39, 534564), (52, 400923), (54, 386074), (62, 336258), (78, 267282), (93, 224172), (108, 193037), (117, 178188), (124, 168129), (156, 133641), (186, 112086), (234, 89094), (279, 74724), (351, 59396), (372, 56043), (403, 51732), (468, 44547), (479, 43524), (558, 37362), (702, 29698), (806, 25866), (837, 24908), (958, 21762), (1116, 18681), (1209, 17244), (1404, 14849), (1437, 14508), (1612, 12933), (1674, 12454), (1916, 10881), (2418, 8622), (2874, 7254), (3348, 6227), (3627, 5748), (4311, 4836)]