20622966

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 51383808

約数和(自身を除く): 30760842

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 107, 182, 214, 273, 321, 353, 546, 642, 706, 749, 1059, 1391, 1498, 2118, 2247, 2471, 2782, 4173, 4494, 4589, 4942, 7413, 8346, 9178, 9737, 13767, 14826, 19474, 27534, 29211, 32123, 37771, 58422, 64246, 75542, 96369, 113313, 192738, 226626, 264397, 491023, 528794, 793191, 982046, 1473069, 1586382, 2946138, 3437161, 6874322, 10311483, 20622966]

約数ペア:

[(1, 20622966), (2, 10311483), (3, 6874322), (6, 3437161), (7, 2946138), (13, 1586382), (14, 1473069), (21, 982046), (26, 793191), (39, 528794), (42, 491023), (78, 264397), (91, 226626), (107, 192738), (182, 113313), (214, 96369), (273, 75542), (321, 64246), (353, 58422), (546, 37771), (642, 32123), (706, 29211), (749, 27534), (1059, 19474), (1391, 14826), (1498, 13767), (2118, 9737), (2247, 9178), (2471, 8346), (2782, 7413), (4173, 4942), (4494, 4589)]