20147579739

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1\times {\mathrm{3853}}^1$

素因数の和:4321

約数の個数: 64

約数和(自身を含む): 34679833600

約数和(自身を除く): 14532253861

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 379, 511, 657, 1137, 1533, 1971, 2653, 3411, 3853, 4599, 7959, 10233, 11559, 13797, 23877, 26971, 27667, 34677, 71631, 80913, 83001, 104031, 193669, 242739, 249003, 281269, 581007, 728217, 747009, 843807, 1460287, 1743021, 1968883, 2531421, 4380861, 5229063, 5906649, 7594263, 10222009, 13142583, 17719947, 30666027, 39427749, 53159841, 91998081, 106600951, 275994243, 319802853, 746206657, 959408559, 2238619971, 2878225677, 6715859913, 20147579739]

約数ペア:

[(1, 20147579739), (3, 6715859913), (7, 2878225677), (9, 2238619971), (21, 959408559), (27, 746206657), (63, 319802853), (73, 275994243), (189, 106600951), (219, 91998081), (379, 53159841), (511, 39427749), (657, 30666027), (1137, 17719947), (1533, 13142583), (1971, 10222009), (2653, 7594263), (3411, 5906649), (3853, 5229063), (4599, 4380861), (7959, 2531421), (10233, 1968883), (11559, 1743021), (13797, 1460287), (23877, 843807), (26971, 747009), (27667, 728217), (34677, 581007), (71631, 281269), (80913, 249003), (83001, 242739), (104031, 193669)]