20803100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10949}}^1$

素因数の和:10982

約数の個数: 36

約数和(自身を含む): 47523000

約数和(自身を除く): 26719900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10949, 21898, 43796, 54745, 109490, 208031, 218980, 273725, 416062, 547450, 832124, 1040155, 1094900, 2080310, 4160620, 5200775, 10401550, 20803100]

約数ペア:

[(1, 20803100), (2, 10401550), (4, 5200775), (5, 4160620), (10, 2080310), (19, 1094900), (20, 1040155), (25, 832124), (38, 547450), (50, 416062), (76, 273725), (95, 218980), (100, 208031), (190, 109490), (380, 54745), (475, 43796), (950, 21898), (1900, 10949)]