20806654890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14154187}}^1$

素因数の和:14154211

約数の個数: 48

約数和(自身を含む): 58088787552

約数和(自身を除く): 37282132662

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14154187, 28308374, 42462561, 70770935, 84925122, 99079309, 141541870, 198158618, 212312805, 297237927, 424625610, 495396545, 594475854, 693555163, 990793090, 1387110326, 1486189635, 2080665489, 2972379270, 3467775815, 4161330978, 6935551630, 10403327445, 20806654890]

約数ペア:

[(1, 20806654890), (2, 10403327445), (3, 6935551630), (5, 4161330978), (6, 3467775815), (7, 2972379270), (10, 2080665489), (14, 1486189635), (15, 1387110326), (21, 990793090), (30, 693555163), (35, 594475854), (42, 495396545), (49, 424625610), (70, 297237927), (98, 212312805), (105, 198158618), (147, 141541870), (210, 99079309), (245, 84925122), (294, 70770935), (490, 42462561), (735, 28308374), (1470, 14154187)]