20472260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{751}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 45480960

約数和(自身を除く): 25008700

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 751, 940, 1363, 1502, 2726, 3004, 3755, 5452, 6815, 7510, 13630, 15020, 21779, 27260, 35297, 43558, 70594, 87116, 108895, 141188, 176485, 217790, 352970, 435580, 705940, 1023613, 2047226, 4094452, 5118065, 10236130, 20472260]

約数ペア:

[(1, 20472260), (2, 10236130), (4, 5118065), (5, 4094452), (10, 2047226), (20, 1023613), (29, 705940), (47, 435580), (58, 352970), (94, 217790), (116, 176485), (145, 141188), (188, 108895), (235, 87116), (290, 70594), (470, 43558), (580, 35297), (751, 27260), (940, 21779), (1363, 15020), (1502, 13630), (2726, 7510), (3004, 6815), (3755, 5452)]