20164061990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1931}}^1\times {\mathrm{25469}}^1$

素因数の和:27448

約数の個数: 32

約数和(自身を含む): 37201278240

約数和(自身を除く): 17037216250

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1931, 3862, 9655, 19310, 25469, 50938, 79171, 127345, 158342, 254690, 395855, 791710, 1044229, 2088458, 5221145, 10442290, 49180639, 98361278, 245903195, 491806390, 2016406199, 4032812398, 10082030995, 20164061990]

約数ペア:

[(1, 20164061990), (2, 10082030995), (5, 4032812398), (10, 2016406199), (41, 491806390), (82, 245903195), (205, 98361278), (410, 49180639), (1931, 10442290), (3862, 5221145), (9655, 2088458), (19310, 1044229), (25469, 791710), (50938, 395855), (79171, 254690), (127345, 158342)]