20772670

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 38291616

約数和(自身を除く): 17518946

約数列:

[1, 2, 5, 10, 101, 131, 157, 202, 262, 314, 505, 655, 785, 1010, 1310, 1570, 13231, 15857, 20567, 26462, 31714, 41134, 66155, 79285, 102835, 132310, 158570, 205670, 2077267, 4154534, 10386335, 20772670]

約数ペア:

[(1, 20772670), (2, 10386335), (5, 4154534), (10, 2077267), (101, 205670), (131, 158570), (157, 132310), (202, 102835), (262, 79285), (314, 66155), (505, 41134), (655, 31714), (785, 26462), (1010, 20567), (1310, 15857), (1570, 13231)]