20245960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72307}}^1$

素因数の和:72325

約数の個数: 32

約数和(自身を含む): 52061760

約数和(自身を除く): 31815800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72307, 144614, 289228, 361535, 506149, 578456, 723070, 1012298, 1446140, 2024596, 2530745, 2892280, 4049192, 5061490, 10122980, 20245960]

約数ペア:

[(1, 20245960), (2, 10122980), (4, 5061490), (5, 4049192), (7, 2892280), (8, 2530745), (10, 2024596), (14, 1446140), (20, 1012298), (28, 723070), (35, 578456), (40, 506149), (56, 361535), (70, 289228), (140, 144614), (280, 72307)]