20394270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17431}}^1$

素因数の和:17457

約数の個数: 48

約数和(自身を含む): 57107232

約数和(自身を除く): 36712962

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17431, 34862, 52293, 87155, 104586, 156879, 174310, 226603, 261465, 313758, 453206, 522930, 679809, 784395, 1133015, 1359618, 1568790, 2039427, 2266030, 3399045, 4078854, 6798090, 10197135, 20394270]

約数ペア:

[(1, 20394270), (2, 10197135), (3, 6798090), (5, 4078854), (6, 3399045), (9, 2266030), (10, 2039427), (13, 1568790), (15, 1359618), (18, 1133015), (26, 784395), (30, 679809), (39, 522930), (45, 453206), (65, 313758), (78, 261465), (90, 226603), (117, 174310), (130, 156879), (195, 104586), (234, 87155), (390, 52293), (585, 34862), (1170, 17431)]