20778826194

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{166409}}^1$

素因数の和:167415

約数の個数: 48

約数和(自身を含む): 51504560640

約数和(自身を除く): 30725734446

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 991, 1982, 2973, 5946, 6937, 8919, 13874, 17838, 20811, 41622, 62433, 124866, 166409, 332818, 499227, 998454, 1164863, 1497681, 2329726, 2995362, 3494589, 6989178, 10483767, 20967534, 164911319, 329822638, 494733957, 989467914, 1154379233, 1484201871, 2308758466, 2968403742, 3463137699, 6926275398, 10389413097, 20778826194]

約数ペア:

[(1, 20778826194), (2, 10389413097), (3, 6926275398), (6, 3463137699), (7, 2968403742), (9, 2308758466), (14, 1484201871), (18, 1154379233), (21, 989467914), (42, 494733957), (63, 329822638), (126, 164911319), (991, 20967534), (1982, 10483767), (2973, 6989178), (5946, 3494589), (6937, 2995362), (8919, 2329726), (13874, 1497681), (17838, 1164863), (20811, 998454), (41622, 499227), (62433, 332818), (124866, 166409)]