20826750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{3967}}^1$

素因数の和:3994

約数の個数: 64

約数和(自身を含む): 59424768

約数和(自身を除く): 38598018

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 750, 875, 1050, 1750, 2625, 3967, 5250, 7934, 11901, 19835, 23802, 27769, 39670, 55538, 59505, 83307, 99175, 119010, 138845, 166614, 198350, 277690, 297525, 416535, 495875, 595050, 694225, 833070, 991750, 1388450, 1487625, 2082675, 2975250, 3471125, 4165350, 6942250, 10413375, 20826750]

約数ペア:

[(1, 20826750), (2, 10413375), (3, 6942250), (5, 4165350), (6, 3471125), (7, 2975250), (10, 2082675), (14, 1487625), (15, 1388450), (21, 991750), (25, 833070), (30, 694225), (35, 595050), (42, 495875), (50, 416535), (70, 297525), (75, 277690), (105, 198350), (125, 166614), (150, 138845), (175, 119010), (210, 99175), (250, 83307), (350, 59505), (375, 55538), (525, 39670), (750, 27769), (875, 23802), (1050, 19835), (1750, 11901), (2625, 7934), (3967, 5250)]