20123335020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{641279}}^1$

素因数の和:641814

約数の個数: 48

約数和(自身を含む): 56453160960

約数和(自身を除く): 36329825940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 523, 1046, 1569, 2092, 2615, 3138, 5230, 6276, 7845, 10460, 15690, 31380, 641279, 1282558, 1923837, 2565116, 3206395, 3847674, 6412790, 7695348, 9619185, 12825580, 19238370, 38476740, 335388917, 670777834, 1006166751, 1341555668, 1676944585, 2012333502, 3353889170, 4024667004, 5030833755, 6707778340, 10061667510, 20123335020]

約数ペア:

[(1, 20123335020), (2, 10061667510), (3, 6707778340), (4, 5030833755), (5, 4024667004), (6, 3353889170), (10, 2012333502), (12, 1676944585), (15, 1341555668), (20, 1006166751), (30, 670777834), (60, 335388917), (523, 38476740), (1046, 19238370), (1569, 12825580), (2092, 9619185), (2615, 7695348), (3138, 6412790), (5230, 3847674), (6276, 3206395), (7845, 2565116), (10460, 1923837), (15690, 1282558), (31380, 641279)]