2020123450

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{503}}^1\times {\mathrm{1709}}^1$

素因数の和:2271

約数の個数: 48

約数和(自身を含む): 3847253760

約数和(自身を除く): 1827130310

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 503, 1006, 1175, 1709, 2350, 2515, 3418, 5030, 8545, 12575, 17090, 23641, 25150, 42725, 47282, 80323, 85450, 118205, 160646, 236410, 401615, 591025, 803230, 859627, 1182050, 1719254, 2008075, 4016150, 4298135, 8596270, 21490675, 40402469, 42981350, 80804938, 202012345, 404024690, 1010061725, 2020123450]

約数ペア:

[(1, 2020123450), (2, 1010061725), (5, 404024690), (10, 202012345), (25, 80804938), (47, 42981350), (50, 40402469), (94, 21490675), (235, 8596270), (470, 4298135), (503, 4016150), (1006, 2008075), (1175, 1719254), (1709, 1182050), (2350, 859627), (2515, 803230), (3418, 591025), (5030, 401615), (8545, 236410), (12575, 160646), (17090, 118205), (23641, 85450), (25150, 80323), (42725, 47282)]