20178449541

素因数分解:

$3^7\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{1303}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 31017674240

約数和(自身を除く): 10839224699

約数列:

[1, 3, 9, 27, 73, 81, 97, 219, 243, 291, 657, 729, 873, 1303, 1971, 2187, 2619, 3909, 5913, 7081, 7857, 11727, 17739, 21243, 23571, 35181, 53217, 63729, 70713, 95119, 105543, 126391, 159651, 191187, 212139, 285357, 316629, 379173, 573561, 856071, 949887, 1137519, 1720683, 2568213, 2849661, 3412557, 5162049, 7704639, 9226543, 10237671, 15486147, 23113917, 27679629, 30713013, 69341751, 83038887, 92139039, 208025253, 249116661, 276417117, 747349983, 2242049949, 6726149847, 20178449541]

約数ペア:

[(1, 20178449541), (3, 6726149847), (9, 2242049949), (27, 747349983), (73, 276417117), (81, 249116661), (97, 208025253), (219, 92139039), (243, 83038887), (291, 69341751), (657, 30713013), (729, 27679629), (873, 23113917), (1303, 15486147), (1971, 10237671), (2187, 9226543), (2619, 7704639), (3909, 5162049), (5913, 3412557), (7081, 2849661), (7857, 2568213), (11727, 1720683), (17739, 1137519), (21243, 949887), (23571, 856071), (35181, 573561), (53217, 379173), (63729, 316629), (70713, 285357), (95119, 212139), (105543, 191187), (126391, 159651)]