20110512045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{70783}}^1$

素因数の和:70882

約数の個数: 64

約数和(自身を含む): 36531339264

約数和(自身を除く): 16420827219

約数列:

[1, 3, 5, 13, 15, 31, 39, 47, 65, 93, 141, 155, 195, 235, 403, 465, 611, 705, 1209, 1457, 1833, 2015, 3055, 4371, 6045, 7285, 9165, 18941, 21855, 56823, 70783, 94705, 212349, 284115, 353915, 920179, 1061745, 2194273, 2760537, 3326801, 4600895, 6582819, 9980403, 10971365, 13802685, 16634005, 28525549, 32914095, 43248413, 49902015, 85576647, 103130831, 129745239, 142627745, 216242065, 309392493, 427883235, 515654155, 648726195, 1340700803, 1546962465, 4022102409, 6703504015, 20110512045]

約数ペア:

[(1, 20110512045), (3, 6703504015), (5, 4022102409), (13, 1546962465), (15, 1340700803), (31, 648726195), (39, 515654155), (47, 427883235), (65, 309392493), (93, 216242065), (141, 142627745), (155, 129745239), (195, 103130831), (235, 85576647), (403, 49902015), (465, 43248413), (611, 32914095), (705, 28525549), (1209, 16634005), (1457, 13802685), (1833, 10971365), (2015, 9980403), (3055, 6582819), (4371, 4600895), (6045, 3326801), (7285, 2760537), (9165, 2194273), (18941, 1061745), (21855, 920179), (56823, 353915), (70783, 284115), (94705, 212349)]