20173104004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{547}}^1\times {\mathrm{577}}^1$

素因数の和:1205

約数の個数: 72

約数和(自身を含む): 38623763360

約数和(自身を除く): 18450659356

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 547, 551, 577, 841, 1094, 1102, 1154, 1682, 2188, 2204, 2308, 3364, 10393, 10963, 15863, 15979, 16733, 20786, 21926, 31726, 31958, 33466, 41572, 43852, 63452, 63916, 66932, 301397, 315619, 317927, 460027, 485257, 602794, 631238, 635854, 920054, 970514, 1205588, 1262476, 1271708, 1840108, 1941028, 5996761, 8740513, 9152951, 9219883, 11993522, 17481026, 18305902, 18439766, 23987044, 34962052, 36611804, 36879532, 173906069, 265435579, 347812138, 530871158, 695624276, 1061742316, 5043276001, 10086552002, 20173104004]

約数ペア:

[(1, 20173104004), (2, 10086552002), (4, 5043276001), (19, 1061742316), (29, 695624276), (38, 530871158), (58, 347812138), (76, 265435579), (116, 173906069), (547, 36879532), (551, 36611804), (577, 34962052), (841, 23987044), (1094, 18439766), (1102, 18305902), (1154, 17481026), (1682, 11993522), (2188, 9219883), (2204, 9152951), (2308, 8740513), (3364, 5996761), (10393, 1941028), (10963, 1840108), (15863, 1271708), (15979, 1262476), (16733, 1205588), (20786, 970514), (21926, 920054), (31726, 635854), (31958, 631238), (33466, 602794), (41572, 485257), (43852, 460027), (63452, 317927), (63916, 315619), (66932, 301397)]