20651250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5507}}^1$

素因数の和:5532

約数の個数: 40

約数和(自身を含む): 51620976

約数和(自身を除く): 30969726

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5507, 11014, 16521, 27535, 33042, 55070, 82605, 137675, 165210, 275350, 413025, 688375, 826050, 1376750, 2065125, 3441875, 4130250, 6883750, 10325625, 20651250]

約数ペア:

[(1, 20651250), (2, 10325625), (3, 6883750), (5, 4130250), (6, 3441875), (10, 2065125), (15, 1376750), (25, 826050), (30, 688375), (50, 413025), (75, 275350), (125, 165210), (150, 137675), (250, 82605), (375, 55070), (625, 33042), (750, 27535), (1250, 16521), (1875, 11014), (3750, 5507)]