20719842

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 54190080

約数和(自身を除く): 33470238

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 31, 33, 38, 39, 41, 57, 62, 66, 78, 82, 93, 114, 123, 143, 186, 209, 246, 247, 286, 341, 403, 418, 429, 451, 494, 533, 589, 627, 682, 741, 779, 806, 858, 902, 1023, 1066, 1178, 1209, 1254, 1271, 1353, 1482, 1558, 1599, 1767, 2046, 2337, 2418, 2542, 2706, 2717, 3198, 3534, 3813, 4433, 4674, 5434, 5863, 6479, 7626, 7657, 8151, 8569, 8866, 10127, 11726, 12958, 13299, 13981, 15314, 16302, 16523, 17138, 17589, 19437, 20254, 22971, 24149, 25707, 26598, 27962, 30381, 33046, 35178, 38874, 41943, 45942, 48298, 49569, 51414, 60762, 72447, 83886, 84227, 99138, 111397, 144894, 168454, 181753, 222794, 252681, 265639, 313937, 334191, 363506, 505362, 531278, 545259, 627874, 668382, 796917, 941811, 1090518, 1593834, 1883622, 3453307, 6906614, 10359921, 20719842]

約数ペア:

[(1, 20719842), (2, 10359921), (3, 6906614), (6, 3453307), (11, 1883622), (13, 1593834), (19, 1090518), (22, 941811), (26, 796917), (31, 668382), (33, 627874), (38, 545259), (39, 531278), (41, 505362), (57, 363506), (62, 334191), (66, 313937), (78, 265639), (82, 252681), (93, 222794), (114, 181753), (123, 168454), (143, 144894), (186, 111397), (209, 99138), (246, 84227), (247, 83886), (286, 72447), (341, 60762), (403, 51414), (418, 49569), (429, 48298), (451, 45942), (494, 41943), (533, 38874), (589, 35178), (627, 33046), (682, 30381), (741, 27962), (779, 26598), (806, 25707), (858, 24149), (902, 22971), (1023, 20254), (1066, 19437), (1178, 17589), (1209, 17138), (1254, 16523), (1271, 16302), (1353, 15314), (1482, 13981), (1558, 13299), (1599, 12958), (1767, 11726), (2046, 10127), (2337, 8866), (2418, 8569), (2542, 8151), (2706, 7657), (2717, 7626), (3198, 6479), (3534, 5863), (3813, 5434), (4433, 4674)]