20863400

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1429}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 49206300

約数和(自身を除く): 28342900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 146, 200, 292, 365, 584, 730, 1429, 1460, 1825, 2858, 2920, 3650, 5716, 7145, 7300, 11432, 14290, 14600, 28580, 35725, 57160, 71450, 104317, 142900, 208634, 285800, 417268, 521585, 834536, 1043170, 2086340, 2607925, 4172680, 5215850, 10431700, 20863400]

約数ペア:

[(1, 20863400), (2, 10431700), (4, 5215850), (5, 4172680), (8, 2607925), (10, 2086340), (20, 1043170), (25, 834536), (40, 521585), (50, 417268), (73, 285800), (100, 208634), (146, 142900), (200, 104317), (292, 71450), (365, 57160), (584, 35725), (730, 28580), (1429, 14600), (1460, 14290), (1825, 11432), (2858, 7300), (2920, 7145), (3650, 5716)]