20177619

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{773}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 33882624

約数和(自身を除く): 13705005

約数列:

[1, 3, 7, 11, 21, 33, 77, 113, 231, 339, 773, 791, 1243, 2319, 2373, 3729, 5411, 8503, 8701, 16233, 25509, 26103, 59521, 87349, 178563, 262047, 611443, 960839, 1834329, 2882517, 6725873, 20177619]

約数ペア:

[(1, 20177619), (3, 6725873), (7, 2882517), (11, 1834329), (21, 960839), (33, 611443), (77, 262047), (113, 178563), (231, 87349), (339, 59521), (773, 26103), (791, 25509), (1243, 16233), (2319, 8701), (2373, 8503), (3729, 5411)]