20910906

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 49680000

約数和(自身を除く): 28769094

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 89, 114, 171, 178, 229, 267, 342, 458, 513, 534, 687, 801, 1026, 1374, 1602, 1691, 2061, 2403, 3382, 4122, 4351, 4806, 5073, 6183, 8702, 10146, 12366, 13053, 15219, 20381, 26106, 30438, 39159, 40762, 45657, 61143, 78318, 91314, 117477, 122286, 183429, 234954, 366858, 387239, 550287, 774478, 1100574, 1161717, 2323434, 3485151, 6970302, 10455453, 20910906]

約数ペア:

[(1, 20910906), (2, 10455453), (3, 6970302), (6, 3485151), (9, 2323434), (18, 1161717), (19, 1100574), (27, 774478), (38, 550287), (54, 387239), (57, 366858), (89, 234954), (114, 183429), (171, 122286), (178, 117477), (229, 91314), (267, 78318), (342, 61143), (458, 45657), (513, 40762), (534, 39159), (687, 30438), (801, 26106), (1026, 20381), (1374, 15219), (1602, 13053), (1691, 12366), (2061, 10146), (2403, 8702), (3382, 6183), (4122, 5073), (4351, 4806)]