20934960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4591}}^1$

素因数の和:4626

約数の個数: 80

約数和(自身を含む): 68328960

約数和(自身を除く): 47394000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 4591, 9182, 13773, 18364, 22955, 27546, 36728, 45910, 55092, 68865, 73456, 87229, 91820, 110184, 137730, 174458, 183640, 220368, 261687, 275460, 348916, 367280, 436145, 523374, 550920, 697832, 872290, 1046748, 1101840, 1308435, 1395664, 1744580, 2093496, 2616870, 3489160, 4186992, 5233740, 6978320, 10467480, 20934960]

約数ペア:

[(1, 20934960), (2, 10467480), (3, 6978320), (4, 5233740), (5, 4186992), (6, 3489160), (8, 2616870), (10, 2093496), (12, 1744580), (15, 1395664), (16, 1308435), (19, 1101840), (20, 1046748), (24, 872290), (30, 697832), (38, 550920), (40, 523374), (48, 436145), (57, 367280), (60, 348916), (76, 275460), (80, 261687), (95, 220368), (114, 183640), (120, 174458), (152, 137730), (190, 110184), (228, 91820), (240, 87229), (285, 73456), (304, 68865), (380, 55092), (456, 45910), (570, 36728), (760, 27546), (912, 22955), (1140, 18364), (1520, 13773), (2280, 9182), (4560, 4591)]