20053980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12379}}^1$

素因数の和:12400

約数の個数: 60

約数和(自身を含む): 62915160

約数和(自身を除く): 42861180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12379, 24758, 37137, 49516, 61895, 74274, 111411, 123790, 148548, 185685, 222822, 247580, 334233, 371370, 445644, 557055, 668466, 742740, 1002699, 1114110, 1336932, 1671165, 2005398, 2228220, 3342330, 4010796, 5013495, 6684660, 10026990, 20053980]

約数ペア:

[(1, 20053980), (2, 10026990), (3, 6684660), (4, 5013495), (5, 4010796), (6, 3342330), (9, 2228220), (10, 2005398), (12, 1671165), (15, 1336932), (18, 1114110), (20, 1002699), (27, 742740), (30, 668466), (36, 557055), (45, 445644), (54, 371370), (60, 334233), (81, 247580), (90, 222822), (108, 185685), (135, 148548), (162, 123790), (180, 111411), (270, 74274), (324, 61895), (405, 49516), (540, 37137), (810, 24758), (1620, 12379)]