20828700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23143}}^1$

素因数の和:23163

約数の個数: 54

約数和(自身を含む): 65289224

約数和(自身を除く): 44460524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23143, 46286, 69429, 92572, 115715, 138858, 208287, 231430, 277716, 347145, 416574, 462860, 578575, 694290, 833148, 1041435, 1157150, 1388580, 1735725, 2082870, 2314300, 3471450, 4165740, 5207175, 6942900, 10414350, 20828700]

約数ペア:

[(1, 20828700), (2, 10414350), (3, 6942900), (4, 5207175), (5, 4165740), (6, 3471450), (9, 2314300), (10, 2082870), (12, 1735725), (15, 1388580), (18, 1157150), (20, 1041435), (25, 833148), (30, 694290), (36, 578575), (45, 462860), (50, 416574), (60, 347145), (75, 277716), (90, 231430), (100, 208287), (150, 138858), (180, 115715), (225, 92572), (300, 69429), (450, 46286), (900, 23143)]