20118562887

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{2663}}^1$

素因数の和:3123

約数の個数: 32

約数和(自身を含む): 27497594880

約数和(自身を除く): 7379031993

約数列:

[1, 3, 79, 127, 237, 251, 381, 753, 2663, 7989, 10033, 19829, 30099, 31877, 59487, 95631, 210377, 338201, 631131, 668413, 1014603, 2005239, 2518283, 7554849, 26717879, 52804627, 80153637, 84888451, 158413881, 254665353, 6706187629, 20118562887]

約数ペア:

[(1, 20118562887), (3, 6706187629), (79, 254665353), (127, 158413881), (237, 84888451), (251, 80153637), (381, 52804627), (753, 26717879), (2663, 7554849), (7989, 2518283), (10033, 2005239), (19829, 1014603), (30099, 668413), (31877, 631131), (59487, 338201), (95631, 210377)]