20611750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2843}}^1$

素因数の和:2889

約数の個数: 32

約数和(自身を含む): 39929760

約数和(自身を除く): 19318010

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 725, 1450, 2843, 3625, 5686, 7250, 14215, 28430, 71075, 82447, 142150, 164894, 355375, 412235, 710750, 824470, 2061175, 4122350, 10305875, 20611750]

約数ペア:

[(1, 20611750), (2, 10305875), (5, 4122350), (10, 2061175), (25, 824470), (29, 710750), (50, 412235), (58, 355375), (125, 164894), (145, 142150), (250, 82447), (290, 71075), (725, 28430), (1450, 14215), (2843, 7250), (3625, 5686)]