20225920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:73

約数の個数: 192

約数和(自身を含む): 60477840

約数和(自身を除く): 40251920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 32, 34, 40, 44, 52, 55, 64, 65, 68, 80, 85, 88, 104, 110, 128, 130, 136, 143, 160, 169, 170, 176, 187, 208, 220, 221, 260, 272, 286, 320, 338, 340, 352, 374, 416, 440, 442, 520, 544, 572, 640, 676, 680, 704, 715, 748, 832, 845, 880, 884, 935, 1040, 1088, 1105, 1144, 1352, 1360, 1408, 1430, 1496, 1664, 1690, 1760, 1768, 1859, 1870, 2080, 2176, 2210, 2288, 2431, 2704, 2720, 2860, 2873, 2992, 3380, 3520, 3536, 3718, 3740, 4160, 4420, 4576, 4862, 5408, 5440, 5720, 5746, 5984, 6760, 7040, 7072, 7436, 7480, 8320, 8840, 9152, 9295, 9724, 10816, 10880, 11440, 11492, 11968, 12155, 13520, 14144, 14365, 14872, 14960, 17680, 18304, 18590, 19448, 21632, 22880, 22984, 23936, 24310, 27040, 28288, 28730, 29744, 29920, 31603, 35360, 37180, 38896, 45760, 45968, 48620, 54080, 57460, 59488, 59840, 63206, 70720, 74360, 77792, 91520, 91936, 97240, 108160, 114920, 118976, 119680, 126412, 141440, 148720, 155584, 158015, 183872, 194480, 229840, 237952, 252824, 297440, 311168, 316030, 367744, 388960, 459680, 505648, 594880, 632060, 777920, 919360, 1011296, 1189760, 1264120, 1555840, 1838720, 2022592, 2528240, 4045184, 5056480, 10112960, 20225920]

約数ペア:

[(1, 20225920), (2, 10112960), (4, 5056480), (5, 4045184), (8, 2528240), (10, 2022592), (11, 1838720), (13, 1555840), (16, 1264120), (17, 1189760), (20, 1011296), (22, 919360), (26, 777920), (32, 632060), (34, 594880), (40, 505648), (44, 459680), (52, 388960), (55, 367744), (64, 316030), (65, 311168), (68, 297440), (80, 252824), (85, 237952), (88, 229840), (104, 194480), (110, 183872), (128, 158015), (130, 155584), (136, 148720), (143, 141440), (160, 126412), (169, 119680), (170, 118976), (176, 114920), (187, 108160), (208, 97240), (220, 91936), (221, 91520), (260, 77792), (272, 74360), (286, 70720), (320, 63206), (338, 59840), (340, 59488), (352, 57460), (374, 54080), (416, 48620), (440, 45968), (442, 45760), (520, 38896), (544, 37180), (572, 35360), (640, 31603), (676, 29920), (680, 29744), (704, 28730), (715, 28288), (748, 27040), (832, 24310), (845, 23936), (880, 22984), (884, 22880), (935, 21632), (1040, 19448), (1088, 18590), (1105, 18304), (1144, 17680), (1352, 14960), (1360, 14872), (1408, 14365), (1430, 14144), (1496, 13520), (1664, 12155), (1690, 11968), (1760, 11492), (1768, 11440), (1859, 10880), (1870, 10816), (2080, 9724), (2176, 9295), (2210, 9152), (2288, 8840), (2431, 8320), (2704, 7480), (2720, 7436), (2860, 7072), (2873, 7040), (2992, 6760), (3380, 5984), (3520, 5746), (3536, 5720), (3718, 5440), (3740, 5408), (4160, 4862), (4420, 4576)]