20841100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1567}}^1$

素因数の和:1607

約数の個数: 72

約数和(自身を含む): 54440960

約数和(自身を除く): 33599860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1567, 1900, 2660, 3134, 3325, 6268, 6650, 7835, 10969, 13300, 15670, 21938, 29773, 31340, 39175, 43876, 54845, 59546, 78350, 109690, 119092, 148865, 156700, 208411, 219380, 274225, 297730, 416822, 548450, 595460, 744325, 833644, 1042055, 1096900, 1488650, 2084110, 2977300, 4168220, 5210275, 10420550, 20841100]

約数ペア:

[(1, 20841100), (2, 10420550), (4, 5210275), (5, 4168220), (7, 2977300), (10, 2084110), (14, 1488650), (19, 1096900), (20, 1042055), (25, 833644), (28, 744325), (35, 595460), (38, 548450), (50, 416822), (70, 297730), (76, 274225), (95, 219380), (100, 208411), (133, 156700), (140, 148865), (175, 119092), (190, 109690), (266, 78350), (350, 59546), (380, 54845), (475, 43876), (532, 39175), (665, 31340), (700, 29773), (950, 21938), (1330, 15670), (1567, 13300), (1900, 10969), (2660, 7835), (3134, 6650), (3325, 6268)]