20217882708

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{449}}^1\times {\mathrm{11069}}^1$

素因数の和:11641

約数の個数: 72

約数和(自身を含む): 51678081000

約数和(自身を除く): 31460198292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 339, 449, 452, 678, 898, 1017, 1347, 1356, 1796, 2034, 2694, 4041, 4068, 5388, 8082, 11069, 16164, 22138, 33207, 44276, 50737, 66414, 99621, 101474, 132828, 152211, 199242, 202948, 304422, 398484, 456633, 608844, 913266, 1250797, 1826532, 2501594, 3752391, 4969981, 5003188, 7504782, 9939962, 11257173, 14909943, 15009564, 19879924, 22514346, 29819886, 44729829, 45028692, 59639772, 89459658, 178919316, 561607853, 1123215706, 1684823559, 2246431412, 3369647118, 5054470677, 6739294236, 10108941354, 20217882708]

約数ペア:

[(1, 20217882708), (2, 10108941354), (3, 6739294236), (4, 5054470677), (6, 3369647118), (9, 2246431412), (12, 1684823559), (18, 1123215706), (36, 561607853), (113, 178919316), (226, 89459658), (339, 59639772), (449, 45028692), (452, 44729829), (678, 29819886), (898, 22514346), (1017, 19879924), (1347, 15009564), (1356, 14909943), (1796, 11257173), (2034, 9939962), (2694, 7504782), (4041, 5003188), (4068, 4969981), (5388, 3752391), (8082, 2501594), (11069, 1826532), (16164, 1250797), (22138, 913266), (33207, 608844), (44276, 456633), (50737, 398484), (66414, 304422), (99621, 202948), (101474, 199242), (132828, 152211)]