20792328515

素因数分解:

$5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{647837}}^1$

素因数の和:647987

約数の個数: 24

約数和(自身を含む): 29245998672

約数和(自身を除く): 8453670157

約数列:

[1, 5, 7, 35, 49, 131, 245, 655, 917, 4585, 6419, 32095, 647837, 3239185, 4534859, 22674295, 31744013, 84866647, 158720065, 424333235, 594066529, 2970332645, 4158465703, 20792328515]

約数ペア:

[(1, 20792328515), (5, 4158465703), (7, 2970332645), (35, 594066529), (49, 424333235), (131, 158720065), (245, 84866647), (655, 31744013), (917, 22674295), (4585, 4534859), (6419, 3239185), (32095, 647837)]