20178859563

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{2753}}^1\times {\mathrm{5323}}^1$

素因数の和:8105

約数の個数: 40

約数和(自身を含む): 31934480688

約数和(自身を除く): 11755621125

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 2753, 5323, 8259, 15969, 24777, 46801, 47907, 74331, 90491, 140403, 143721, 222993, 271473, 421209, 431163, 814419, 1263627, 2443257, 3790881, 7329771, 14654219, 43962657, 131887971, 249121723, 395663913, 747365169, 1186991739, 2242095507, 6726286521, 20178859563]

約数ペア:

[(1, 20178859563), (3, 6726286521), (9, 2242095507), (17, 1186991739), (27, 747365169), (51, 395663913), (81, 249121723), (153, 131887971), (459, 43962657), (1377, 14654219), (2753, 7329771), (5323, 3790881), (8259, 2443257), (15969, 1263627), (24777, 814419), (46801, 431163), (47907, 421209), (74331, 271473), (90491, 222993), (140403, 143721)]