20564459725

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{65633}}^1$

素因数の和:65877

約数の個数: 24

約数和(自身を含む): 25978462272

約数和(自身を除く): 5414002547

約数列:

[1, 5, 25, 83, 151, 415, 755, 2075, 3775, 12533, 62665, 65633, 313325, 328165, 1640825, 5447539, 9910583, 27237695, 49552915, 136188475, 247764575, 822578389, 4112891945, 20564459725]

約数ペア:

[(1, 20564459725), (5, 4112891945), (25, 822578389), (83, 247764575), (151, 136188475), (415, 49552915), (755, 27237695), (2075, 9910583), (3775, 5447539), (12533, 1640825), (62665, 328165), (65633, 313325)]