20216149920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{610391}}^1$

素因数の和:610435

約数の個数: 144

約数和(自身を含む): 71987190912

約数和(自身を除く): 51771040992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 920, 1035, 1104, 1380, 1440, 1656, 1840, 2070, 2208, 2760, 3312, 3680, 4140, 5520, 6624, 8280, 11040, 16560, 33120, 610391, 1220782, 1831173, 2441564, 3051955, 3662346, 4883128, 5493519, 6103910, 7324692, 9155865, 9766256, 10987038, 12207820, 14038993, 14649384, 18311730, 19532512, 21974076, 24415640, 27467595, 28077986, 29298768, 36623460, 42116979, 43948152, 48831280, 54935190, 56155972, 58597536, 70194965, 73246920, 84233958, 87896304, 97662560, 109870380, 112311944, 126350937, 140389930, 146493840, 168467916, 175792608, 210584895, 219740760, 224623888, 252701874, 280779860, 292987680, 336935832, 421169790, 439481520, 449247776, 505403748, 561559720, 631754685, 673871664, 842339580, 878963040, 1010807496, 1123119440, 1263509370, 1347743328, 1684679160, 2021614992, 2246238880, 2527018740, 3369358320, 4043229984, 5054037480, 6738716640, 10108074960, 20216149920]

約数ペア:

[(1, 20216149920), (2, 10108074960), (3, 6738716640), (4, 5054037480), (5, 4043229984), (6, 3369358320), (8, 2527018740), (9, 2246238880), (10, 2021614992), (12, 1684679160), (15, 1347743328), (16, 1263509370), (18, 1123119440), (20, 1010807496), (23, 878963040), (24, 842339580), (30, 673871664), (32, 631754685), (36, 561559720), (40, 505403748), (45, 449247776), (46, 439481520), (48, 421169790), (60, 336935832), (69, 292987680), (72, 280779860), (80, 252701874), (90, 224623888), (92, 219740760), (96, 210584895), (115, 175792608), (120, 168467916), (138, 146493840), (144, 140389930), (160, 126350937), (180, 112311944), (184, 109870380), (207, 97662560), (230, 87896304), (240, 84233958), (276, 73246920), (288, 70194965), (345, 58597536), (360, 56155972), (368, 54935190), (414, 48831280), (460, 43948152), (480, 42116979), (552, 36623460), (690, 29298768), (720, 28077986), (736, 27467595), (828, 24415640), (920, 21974076), (1035, 19532512), (1104, 18311730), (1380, 14649384), (1440, 14038993), (1656, 12207820), (1840, 10987038), (2070, 9766256), (2208, 9155865), (2760, 7324692), (3312, 6103910), (3680, 5493519), (4140, 4883128), (5520, 3662346), (6624, 3051955), (8280, 2441564), (11040, 1831173), (16560, 1220782), (33120, 610391)]