20190090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1009}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 52358400

約数和(自身を除く): 32168310

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 115, 138, 145, 174, 230, 290, 345, 435, 667, 690, 870, 1009, 1334, 2001, 2018, 3027, 3335, 4002, 5045, 6054, 6670, 10005, 10090, 15135, 20010, 23207, 29261, 30270, 46414, 58522, 69621, 87783, 116035, 139242, 146305, 175566, 232070, 292610, 348105, 438915, 673003, 696210, 877830, 1346006, 2019009, 3365015, 4038018, 6730030, 10095045, 20190090]

約数ペア:

[(1, 20190090), (2, 10095045), (3, 6730030), (5, 4038018), (6, 3365015), (10, 2019009), (15, 1346006), (23, 877830), (29, 696210), (30, 673003), (46, 438915), (58, 348105), (69, 292610), (87, 232070), (115, 175566), (138, 146305), (145, 139242), (174, 116035), (230, 87783), (290, 69621), (345, 58522), (435, 46414), (667, 30270), (690, 29261), (870, 23207), (1009, 20010), (1334, 15135), (2001, 10090), (2018, 10005), (3027, 6670), (3335, 6054), (4002, 5045)]