2017858820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1\times {\mathrm{2521}}^1$

素因数の和:3852

約数の個数: 48

約数和(自身を含む): 4379321856

約数和(自身を除く): 2361463036

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1291, 2521, 2582, 5042, 5164, 6455, 10084, 12605, 12910, 25210, 25820, 40021, 50420, 78151, 80042, 156302, 160084, 200105, 312604, 390755, 400210, 781510, 800420, 1563020, 3254611, 6509222, 13018444, 16273055, 32546110, 65092220, 100892941, 201785882, 403571764, 504464705, 1008929410, 2017858820]

約数ペア:

[(1, 2017858820), (2, 1008929410), (4, 504464705), (5, 403571764), (10, 201785882), (20, 100892941), (31, 65092220), (62, 32546110), (124, 16273055), (155, 13018444), (310, 6509222), (620, 3254611), (1291, 1563020), (2521, 800420), (2582, 781510), (5042, 400210), (5164, 390755), (6455, 312604), (10084, 200105), (12605, 160084), (12910, 156302), (25210, 80042), (25820, 78151), (40021, 50420)]