20772010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 44808192

約数和(自身を除く): 24036182

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 67, 70, 86, 103, 134, 206, 215, 301, 335, 430, 469, 515, 602, 670, 721, 938, 1030, 1442, 1505, 2345, 2881, 3010, 3605, 4429, 4690, 5762, 6901, 7210, 8858, 13802, 14405, 20167, 22145, 28810, 31003, 34505, 40334, 44290, 48307, 62006, 69010, 96614, 100835, 155015, 201670, 241535, 296743, 310030, 483070, 593486, 1483715, 2077201, 2967430, 4154402, 10386005, 20772010]

約数ペア:

[(1, 20772010), (2, 10386005), (5, 4154402), (7, 2967430), (10, 2077201), (14, 1483715), (35, 593486), (43, 483070), (67, 310030), (70, 296743), (86, 241535), (103, 201670), (134, 155015), (206, 100835), (215, 96614), (301, 69010), (335, 62006), (430, 48307), (469, 44290), (515, 40334), (602, 34505), (670, 31003), (721, 28810), (938, 22145), (1030, 20167), (1442, 14405), (1505, 13802), (2345, 8858), (2881, 7210), (3010, 6901), (3605, 5762), (4429, 4690)]