20100923032

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{3271}}^1$

素因数の和:3728

約数の個数: 64

約数和(自身を含む): 39578112000

約数和(自身を除く): 19477188968

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 349, 568, 698, 1396, 2201, 2792, 3271, 4402, 6542, 8804, 10819, 13084, 17608, 21638, 24779, 26168, 43276, 49558, 86552, 99116, 101401, 198232, 202802, 232241, 405604, 464482, 768149, 811208, 928964, 1141579, 1536298, 1857928, 2283158, 3072596, 4566316, 6145192, 7199471, 9132632, 14398942, 28797884, 35388949, 57595768, 70777898, 81052109, 141555796, 162104218, 283111592, 324208436, 648416872, 2512615379, 5025230758, 10050461516, 20100923032]

約数ペア:

[(1, 20100923032), (2, 10050461516), (4, 5025230758), (8, 2512615379), (31, 648416872), (62, 324208436), (71, 283111592), (124, 162104218), (142, 141555796), (248, 81052109), (284, 70777898), (349, 57595768), (568, 35388949), (698, 28797884), (1396, 14398942), (2201, 9132632), (2792, 7199471), (3271, 6145192), (4402, 4566316), (6542, 3072596), (8804, 2283158), (10819, 1857928), (13084, 1536298), (17608, 1141579), (21638, 928964), (24779, 811208), (26168, 768149), (43276, 464482), (49558, 405604), (86552, 232241), (99116, 202802), (101401, 198232)]