20168623797

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 31622976000

約数和(自身を除く): 11454352203

約数列:

[1, 3, 7, 21, 61, 183, 197, 229, 349, 427, 591, 687, 1047, 1281, 1379, 1603, 2443, 4137, 4809, 7329, 12017, 13969, 21289, 36051, 41907, 45113, 63867, 68753, 79921, 84119, 97783, 135339, 149023, 206259, 239763, 252357, 293349, 315791, 447069, 481271, 559447, 947373, 1443813, 1678341, 2751893, 4193933, 4875181, 8255679, 12581799, 14625543, 15744437, 19263251, 29357531, 34126267, 47233311, 57789753, 88072593, 102378801, 110211059, 330633177, 960410657, 2881231971, 6722874599, 20168623797]

約数ペア:

[(1, 20168623797), (3, 6722874599), (7, 2881231971), (21, 960410657), (61, 330633177), (183, 110211059), (197, 102378801), (229, 88072593), (349, 57789753), (427, 47233311), (591, 34126267), (687, 29357531), (1047, 19263251), (1281, 15744437), (1379, 14625543), (1603, 12581799), (2443, 8255679), (4137, 4875181), (4809, 4193933), (7329, 2751893), (12017, 1678341), (13969, 1443813), (21289, 947373), (36051, 559447), (41907, 481271), (45113, 447069), (63867, 315791), (68753, 293349), (79921, 252357), (84119, 239763), (97783, 206259), (135339, 149023)]