20592180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 72858240

約数和(自身を除く): 52266060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 277, 295, 315, 354, 413, 420, 531, 554, 590, 630, 708, 826, 831, 885, 1062, 1108, 1180, 1239, 1260, 1385, 1652, 1662, 1770, 1939, 2065, 2124, 2478, 2493, 2655, 2770, 3324, 3540, 3717, 3878, 4130, 4155, 4956, 4986, 5310, 5540, 5817, 6195, 7434, 7756, 8260, 8310, 9695, 9972, 10620, 11634, 12390, 12465, 14868, 16343, 16620, 17451, 18585, 19390, 23268, 24780, 24930, 29085, 32686, 34902, 37170, 38780, 49029, 49860, 58170, 65372, 69804, 74340, 81715, 87255, 98058, 114401, 116340, 147087, 163430, 174510, 196116, 228802, 245145, 294174, 326860, 343203, 349020, 457604, 490290, 572005, 588348, 686406, 735435, 980580, 1029609, 1144010, 1372812, 1470870, 1716015, 2059218, 2288020, 2941740, 3432030, 4118436, 5148045, 6864060, 10296090, 20592180]

約数ペア:

[(1, 20592180), (2, 10296090), (3, 6864060), (4, 5148045), (5, 4118436), (6, 3432030), (7, 2941740), (9, 2288020), (10, 2059218), (12, 1716015), (14, 1470870), (15, 1372812), (18, 1144010), (20, 1029609), (21, 980580), (28, 735435), (30, 686406), (35, 588348), (36, 572005), (42, 490290), (45, 457604), (59, 349020), (60, 343203), (63, 326860), (70, 294174), (84, 245145), (90, 228802), (105, 196116), (118, 174510), (126, 163430), (140, 147087), (177, 116340), (180, 114401), (210, 98058), (236, 87255), (252, 81715), (277, 74340), (295, 69804), (315, 65372), (354, 58170), (413, 49860), (420, 49029), (531, 38780), (554, 37170), (590, 34902), (630, 32686), (708, 29085), (826, 24930), (831, 24780), (885, 23268), (1062, 19390), (1108, 18585), (1180, 17451), (1239, 16620), (1260, 16343), (1385, 14868), (1652, 12465), (1662, 12390), (1770, 11634), (1939, 10620), (2065, 9972), (2124, 9695), (2478, 8310), (2493, 8260), (2655, 7756), (2770, 7434), (3324, 6195), (3540, 5817), (3717, 5540), (3878, 5310), (4130, 4986), (4155, 4956)]