20728405320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{207367}}^1$

素因数の和:207412

約数の個数: 192

約数和(自身を含む): 76593444480

約数和(自身を除く): 55865039160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 49, 51, 56, 60, 68, 70, 84, 85, 98, 102, 105, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 245, 255, 280, 294, 340, 357, 392, 408, 420, 476, 490, 510, 588, 595, 680, 714, 735, 833, 840, 952, 980, 1020, 1176, 1190, 1428, 1470, 1666, 1785, 1960, 2040, 2380, 2499, 2856, 2940, 3332, 3570, 4165, 4760, 4998, 5880, 6664, 7140, 8330, 9996, 12495, 14280, 16660, 19992, 24990, 33320, 49980, 99960, 207367, 414734, 622101, 829468, 1036835, 1244202, 1451569, 1658936, 2073670, 2488404, 2903138, 3110505, 3525239, 4147340, 4354707, 4976808, 5806276, 6221010, 7050478, 7257845, 8294680, 8709414, 10160983, 10575717, 11612552, 12442020, 14100956, 14515690, 17418828, 17626195, 20321966, 21151434, 21773535, 24676673, 24884040, 28201912, 29031380, 30482949, 34837656, 35252390, 40643932, 42302868, 43547070, 49353346, 50804915, 52878585, 58062760, 60965898, 70504780, 74030019, 81287864, 84605736, 87094140, 98706692, 101609830, 105757170, 121931796, 123383365, 141009560, 148060038, 152414745, 172736711, 174188280, 197413384, 203219660, 211514340, 243863592, 246766730, 296120076, 304829490, 345473422, 370150095, 406439320, 423028680, 493533460, 518210133, 592240152, 609658980, 690946844, 740300190, 863683555, 987066920, 1036420266, 1219317960, 1381893688, 1480600380, 1727367110, 2072840532, 2591050665, 2961200760, 3454734220, 4145681064, 5182101330, 6909468440, 10364202660, 20728405320]

約数ペア:

[(1, 20728405320), (2, 10364202660), (3, 6909468440), (4, 5182101330), (5, 4145681064), (6, 3454734220), (7, 2961200760), (8, 2591050665), (10, 2072840532), (12, 1727367110), (14, 1480600380), (15, 1381893688), (17, 1219317960), (20, 1036420266), (21, 987066920), (24, 863683555), (28, 740300190), (30, 690946844), (34, 609658980), (35, 592240152), (40, 518210133), (42, 493533460), (49, 423028680), (51, 406439320), (56, 370150095), (60, 345473422), (68, 304829490), (70, 296120076), (84, 246766730), (85, 243863592), (98, 211514340), (102, 203219660), (105, 197413384), (119, 174188280), (120, 172736711), (136, 152414745), (140, 148060038), (147, 141009560), (168, 123383365), (170, 121931796), (196, 105757170), (204, 101609830), (210, 98706692), (238, 87094140), (245, 84605736), (255, 81287864), (280, 74030019), (294, 70504780), (340, 60965898), (357, 58062760), (392, 52878585), (408, 50804915), (420, 49353346), (476, 43547070), (490, 42302868), (510, 40643932), (588, 35252390), (595, 34837656), (680, 30482949), (714, 29031380), (735, 28201912), (833, 24884040), (840, 24676673), (952, 21773535), (980, 21151434), (1020, 20321966), (1176, 17626195), (1190, 17418828), (1428, 14515690), (1470, 14100956), (1666, 12442020), (1785, 11612552), (1960, 10575717), (2040, 10160983), (2380, 8709414), (2499, 8294680), (2856, 7257845), (2940, 7050478), (3332, 6221010), (3570, 5806276), (4165, 4976808), (4760, 4354707), (4998, 4147340), (5880, 3525239), (6664, 3110505), (7140, 2903138), (8330, 2488404), (9996, 2073670), (12495, 1658936), (14280, 1451569), (16660, 1244202), (19992, 1036835), (24990, 829468), (33320, 622101), (49980, 414734), (99960, 207367)]