20122513900

素因数分解:

$2^2\times 5^2\times {\mathrm{619}}^1\times {\mathrm{325081}}^1$

素因数の和:325714

約数の個数: 36

約数和(自身を含む): 43736532280

約数和(自身を除く): 23614018380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 619, 1238, 2476, 3095, 6190, 12380, 15475, 30950, 61900, 325081, 650162, 1300324, 1625405, 3250810, 6501620, 8127025, 16254050, 32508100, 201225139, 402450278, 804900556, 1006125695, 2012251390, 4024502780, 5030628475, 10061256950, 20122513900]

約数ペア:

[(1, 20122513900), (2, 10061256950), (4, 5030628475), (5, 4024502780), (10, 2012251390), (20, 1006125695), (25, 804900556), (50, 402450278), (100, 201225139), (619, 32508100), (1238, 16254050), (2476, 8127025), (3095, 6501620), (6190, 3250810), (12380, 1625405), (15475, 1300324), (30950, 650162), (61900, 325081)]