20206130

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 43718400

約数和(自身を除く): 23512270

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 137, 215, 245, 274, 301, 343, 430, 490, 602, 685, 686, 959, 1370, 1505, 1715, 1918, 2107, 3010, 3430, 4214, 4795, 5891, 6713, 9590, 10535, 11782, 13426, 14749, 21070, 29455, 29498, 33565, 41237, 46991, 58910, 67130, 73745, 82474, 93982, 147490, 206185, 234955, 288659, 412370, 469910, 577318, 1443295, 2020613, 2886590, 4041226, 10103065, 20206130]

約数ペア:

[(1, 20206130), (2, 10103065), (5, 4041226), (7, 2886590), (10, 2020613), (14, 1443295), (35, 577318), (43, 469910), (49, 412370), (70, 288659), (86, 234955), (98, 206185), (137, 147490), (215, 93982), (245, 82474), (274, 73745), (301, 67130), (343, 58910), (430, 46991), (490, 41237), (602, 33565), (685, 29498), (686, 29455), (959, 21070), (1370, 14749), (1505, 13426), (1715, 11782), (1918, 10535), (2107, 9590), (3010, 6713), (3430, 5891), (4214, 4795)]