20115465

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 12979191

約数列:

[1, 3, 5, 15, 83, 107, 151, 249, 321, 415, 453, 535, 755, 1245, 1605, 2265, 8881, 12533, 16157, 26643, 37599, 44405, 48471, 62665, 80785, 133215, 187995, 242355, 1341031, 4023093, 6705155, 20115465]

約数ペア:

[(1, 20115465), (3, 6705155), (5, 4023093), (15, 1341031), (83, 242355), (107, 187995), (151, 133215), (249, 80785), (321, 62665), (415, 48471), (453, 44405), (535, 37599), (755, 26643), (1245, 16157), (1605, 12533), (2265, 8881)]