20092880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13219}}^1$

素因数の和:13251

約数の個数: 40

約数和(自身を含む): 49178400

約数和(自身を除く): 29085520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13219, 26438, 52876, 66095, 105752, 132190, 211504, 251161, 264380, 502322, 528760, 1004644, 1057520, 1255805, 2009288, 2511610, 4018576, 5023220, 10046440, 20092880]

約数ペア:

[(1, 20092880), (2, 10046440), (4, 5023220), (5, 4018576), (8, 2511610), (10, 2009288), (16, 1255805), (19, 1057520), (20, 1004644), (38, 528760), (40, 502322), (76, 264380), (80, 251161), (95, 211504), (152, 132190), (190, 105752), (304, 66095), (380, 52876), (760, 26438), (1520, 13219)]