20162280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 60782400

約数和(自身を除く): 40620120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 401, 419, 802, 838, 1203, 1257, 1604, 1676, 2005, 2095, 2406, 2514, 3208, 3352, 4010, 4190, 4812, 5028, 6015, 6285, 8020, 8380, 9624, 10056, 12030, 12570, 16040, 16760, 24060, 25140, 48120, 50280, 168019, 336038, 504057, 672076, 840095, 1008114, 1344152, 1680190, 2016228, 2520285, 3360380, 4032456, 5040570, 6720760, 10081140, 20162280]

約数ペア:

[(1, 20162280), (2, 10081140), (3, 6720760), (4, 5040570), (5, 4032456), (6, 3360380), (8, 2520285), (10, 2016228), (12, 1680190), (15, 1344152), (20, 1008114), (24, 840095), (30, 672076), (40, 504057), (60, 336038), (120, 168019), (401, 50280), (419, 48120), (802, 25140), (838, 24060), (1203, 16760), (1257, 16040), (1604, 12570), (1676, 12030), (2005, 10056), (2095, 9624), (2406, 8380), (2514, 8020), (3208, 6285), (3352, 6015), (4010, 5028), (4190, 4812)]