20165401980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12447779}}^1$

素因数の和:12447800

約数の個数: 60

約数和(自身を含む): 63259617960

約数和(自身を除く): 43094215980

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, 12447779, 24895558, 37343337, 49791116, 62238895, 74686674, 112030011, 124477790, 149373348, 186716685, 224060022, 248955580, 336090033, 373433370, 448120044, 560150055, 672180066, 746866740, 1008270099, 1120300110, 1344360132, 1680450165, 2016540198, 2240600220, 3360900330, 4033080396, 5041350495, 6721800660, 10082700990, 20165401980]

約数ペア:

[(1, 20165401980), (2, 10082700990), (3, 6721800660), (4, 5041350495), (5, 4033080396), (6, 3360900330), (9, 2240600220), (10, 2016540198), (12, 1680450165), (15, 1344360132), (18, 1120300110), (20, 1008270099), (27, 746866740), (30, 672180066), (36, 560150055), (45, 448120044), (54, 373433370), (60, 336090033), (81, 248955580), (90, 224060022), (108, 186716685), (135, 149373348), (162, 124477790), (180, 112030011), (270, 74686674), (324, 62238895), (405, 49791116), (540, 37343337), (810, 24895558), (1620, 12447779)]