20728764144

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{1997}}^1\times {\mathrm{6553}}^1$

素因数の和:8575

約数の個数: 120

約数和(自身を含む): 63326897712

約数和(自身を除く): 42598133568

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 1997, 3994, 5991, 6553, 7988, 11982, 13106, 15976, 17973, 19659, 21967, 23964, 26212, 31952, 35946, 39318, 43934, 47928, 52424, 58977, 65901, 71892, 72083, 78636, 87868, 95856, 104848, 117954, 131802, 143784, 144166, 157272, 175736, 197703, 216249, 235908, 263604, 287568, 288332, 314544, 351472, 395406, 432498, 471816, 527208, 576664, 648747, 790812, 864996, 943632, 1054416, 1153328, 1297494, 1581624, 1729992, 2594988, 3163248, 3459984, 5189976, 10379952, 13086341, 26172682, 39259023, 52345364, 78518046, 104690728, 117777069, 143949751, 157036092, 209381456, 235554138, 287899502, 314072184, 431849253, 471108276, 575799004, 628144368, 863698506, 942216552, 1151598008, 1295547759, 1727397012, 1884433104, 2303196016, 2591095518, 3454794024, 5182191036, 6909588048, 10364382072, 20728764144]

約数ペア:

[(1, 20728764144), (2, 10364382072), (3, 6909588048), (4, 5182191036), (6, 3454794024), (8, 2591095518), (9, 2303196016), (11, 1884433104), (12, 1727397012), (16, 1295547759), (18, 1151598008), (22, 942216552), (24, 863698506), (33, 628144368), (36, 575799004), (44, 471108276), (48, 431849253), (66, 314072184), (72, 287899502), (88, 235554138), (99, 209381456), (132, 157036092), (144, 143949751), (176, 117777069), (198, 104690728), (264, 78518046), (396, 52345364), (528, 39259023), (792, 26172682), (1584, 13086341), (1997, 10379952), (3994, 5189976), (5991, 3459984), (6553, 3163248), (7988, 2594988), (11982, 1729992), (13106, 1581624), (15976, 1297494), (17973, 1153328), (19659, 1054416), (21967, 943632), (23964, 864996), (26212, 790812), (31952, 648747), (35946, 576664), (39318, 527208), (43934, 471816), (47928, 432498), (52424, 395406), (58977, 351472), (65901, 314544), (71892, 288332), (72083, 287568), (78636, 263604), (87868, 235908), (95856, 216249), (104848, 197703), (117954, 175736), (131802, 157272), (143784, 144166)]