20508630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40213}}^1$

素因数の和:40240

約数の個数: 32

約数和(自身を含む): 52117344

約数和(自身を除く): 31608714

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40213, 80426, 120639, 201065, 241278, 402130, 603195, 683621, 1206390, 1367242, 2050863, 3418105, 4101726, 6836210, 10254315, 20508630]

約数ペア:

[(1, 20508630), (2, 10254315), (3, 6836210), (5, 4101726), (6, 3418105), (10, 2050863), (15, 1367242), (17, 1206390), (30, 683621), (34, 603195), (51, 402130), (85, 241278), (102, 201065), (170, 120639), (255, 80426), (510, 40213)]