20217930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1423

約数の個数: 64

約数和(自身を含む): 53187840

約数和(自身を除く): 32969910

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 34, 51, 58, 85, 87, 102, 145, 170, 174, 255, 290, 435, 493, 510, 870, 986, 1367, 1479, 2465, 2734, 2958, 4101, 4930, 6835, 7395, 8202, 13670, 14790, 20505, 23239, 39643, 41010, 46478, 69717, 79286, 116195, 118929, 139434, 198215, 232390, 237858, 348585, 396430, 594645, 673931, 697170, 1189290, 1347862, 2021793, 3369655, 4043586, 6739310, 10108965, 20217930]

約数ペア:

[(1, 20217930), (2, 10108965), (3, 6739310), (5, 4043586), (6, 3369655), (10, 2021793), (15, 1347862), (17, 1189290), (29, 697170), (30, 673931), (34, 594645), (51, 396430), (58, 348585), (85, 237858), (87, 232390), (102, 198215), (145, 139434), (170, 118929), (174, 116195), (255, 79286), (290, 69717), (435, 46478), (493, 41010), (510, 39643), (870, 23239), (986, 20505), (1367, 14790), (1479, 13670), (2465, 8202), (2734, 7395), (2958, 6835), (4101, 4930)]