20831538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38153}}^1$

素因数の和:38178

約数の個数: 32

約数和(自身を含む): 51278976

約数和(自身を除く): 30447438

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38153, 76306, 114459, 228918, 267071, 495989, 534142, 801213, 991978, 1487967, 1602426, 2975934, 3471923, 6943846, 10415769, 20831538]

約数ペア:

[(1, 20831538), (2, 10415769), (3, 6943846), (6, 3471923), (7, 2975934), (13, 1602426), (14, 1487967), (21, 991978), (26, 801213), (39, 534142), (42, 495989), (78, 267071), (91, 228918), (182, 114459), (273, 76306), (546, 38153)]