20283123

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 31882752

約数和(自身を除く): 11599629

約数列:

[1, 3, 7, 21, 73, 101, 131, 219, 303, 393, 511, 707, 917, 1533, 2121, 2751, 7373, 9563, 13231, 22119, 28689, 39693, 51611, 66941, 92617, 154833, 200823, 277851, 965863, 2897589, 6761041, 20283123]

約数ペア:

[(1, 20283123), (3, 6761041), (7, 2897589), (21, 965863), (73, 277851), (101, 200823), (131, 154833), (219, 92617), (303, 66941), (393, 51611), (511, 39693), (707, 28689), (917, 22119), (1533, 13231), (2121, 9563), (2751, 7373)]