20656472031

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1789}}^1$

素因数の和:1961

約数の個数: 96

約数和(自身を含む): 34480555200

約数和(自身を除く): 13824083169

約数列:

[1, 3, 9, 13, 29, 39, 41, 83, 87, 117, 123, 249, 261, 369, 377, 533, 747, 1079, 1131, 1189, 1599, 1789, 2407, 3237, 3393, 3403, 3567, 4797, 5367, 7221, 9711, 10209, 10701, 15457, 16101, 21663, 23257, 30627, 31291, 44239, 46371, 51881, 69771, 73349, 93873, 98687, 132717, 139113, 148487, 155643, 209313, 220047, 281619, 296061, 398151, 445461, 466929, 660141, 674453, 888183, 953537, 1282931, 1336383, 1930331, 2023359, 2127121, 2860611, 3848793, 4306123, 5790993, 6070077, 6087967, 6381363, 8581833, 11546379, 12918369, 17372979, 18263901, 19144089, 27652573, 38755107, 54791703, 55979599, 79143571, 82957719, 167938797, 176551043, 237430713, 248873157, 503816391, 529653129, 712292139, 1588959387, 2295163559, 6885490677, 20656472031]

約数ペア:

[(1, 20656472031), (3, 6885490677), (9, 2295163559), (13, 1588959387), (29, 712292139), (39, 529653129), (41, 503816391), (83, 248873157), (87, 237430713), (117, 176551043), (123, 167938797), (249, 82957719), (261, 79143571), (369, 55979599), (377, 54791703), (533, 38755107), (747, 27652573), (1079, 19144089), (1131, 18263901), (1189, 17372979), (1599, 12918369), (1789, 11546379), (2407, 8581833), (3237, 6381363), (3393, 6087967), (3403, 6070077), (3567, 5790993), (4797, 4306123), (5367, 3848793), (7221, 2860611), (9711, 2127121), (10209, 2023359), (10701, 1930331), (15457, 1336383), (16101, 1282931), (21663, 953537), (23257, 888183), (30627, 674453), (31291, 660141), (44239, 466929), (46371, 445461), (51881, 398151), (69771, 296061), (73349, 281619), (93873, 220047), (98687, 209313), (132717, 155643), (139113, 148487)]