20651518692

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{342889}}^1$

素因数の和:343145

約数の個数: 72

約数和(自身を含む): 59909740800

約数和(自身を除く): 39258222108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 239, 252, 478, 717, 956, 1434, 1673, 2151, 2868, 3346, 4302, 5019, 6692, 8604, 10038, 15057, 20076, 30114, 60228, 342889, 685778, 1028667, 1371556, 2057334, 2400223, 3086001, 4114668, 4800446, 6172002, 7200669, 9600892, 12344004, 14401338, 21602007, 28802676, 43204014, 81950471, 86408028, 163900942, 245851413, 327801884, 491702826, 573653297, 737554239, 983405652, 1147306594, 1475108478, 1720959891, 2294613188, 2950216956, 3441919782, 5162879673, 6883839564, 10325759346, 20651518692]

約数ペア:

[(1, 20651518692), (2, 10325759346), (3, 6883839564), (4, 5162879673), (6, 3441919782), (7, 2950216956), (9, 2294613188), (12, 1720959891), (14, 1475108478), (18, 1147306594), (21, 983405652), (28, 737554239), (36, 573653297), (42, 491702826), (63, 327801884), (84, 245851413), (126, 163900942), (239, 86408028), (252, 81950471), (478, 43204014), (717, 28802676), (956, 21602007), (1434, 14401338), (1673, 12344004), (2151, 9600892), (2868, 7200669), (3346, 6172002), (4302, 4800446), (5019, 4114668), (6692, 3086001), (8604, 2400223), (10038, 2057334), (15057, 1371556), (20076, 1028667), (30114, 685778), (60228, 342889)]