20894519760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{412609}}^1$

素因数の和:412836

約数の個数: 80

約数和(自身を含む): 65080150080

約数和(自身を除く): 44185630320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 3376, 4220, 5064, 6330, 8440, 10128, 12660, 16880, 25320, 50640, 412609, 825218, 1237827, 1650436, 2063045, 2475654, 3300872, 4126090, 4951308, 6189135, 6601744, 8252180, 9902616, 12378270, 16504360, 19805232, 24756540, 33008720, 49513080, 87060499, 99026160, 174120998, 261181497, 348241996, 435302495, 522362994, 696483992, 870604990, 1044725988, 1305907485, 1392967984, 1741209980, 2089451976, 2611814970, 3482419960, 4178903952, 5223629940, 6964839920, 10447259880, 20894519760]

約数ペア:

[(1, 20894519760), (2, 10447259880), (3, 6964839920), (4, 5223629940), (5, 4178903952), (6, 3482419960), (8, 2611814970), (10, 2089451976), (12, 1741209980), (15, 1392967984), (16, 1305907485), (20, 1044725988), (24, 870604990), (30, 696483992), (40, 522362994), (48, 435302495), (60, 348241996), (80, 261181497), (120, 174120998), (211, 99026160), (240, 87060499), (422, 49513080), (633, 33008720), (844, 24756540), (1055, 19805232), (1266, 16504360), (1688, 12378270), (2110, 9902616), (2532, 8252180), (3165, 6601744), (3376, 6189135), (4220, 4951308), (5064, 4126090), (6330, 3300872), (8440, 2475654), (10128, 2063045), (12660, 1650436), (16880, 1237827), (25320, 825218), (50640, 412609)]