20519568

素因数分解:

$2^4\times 3^4\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:314

約数の個数: 100

約数和(自身を含む): 60496128

約数和(自身を除く): 39976560

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 81, 108, 142, 144, 162, 213, 216, 223, 284, 324, 426, 432, 446, 568, 639, 648, 669, 852, 892, 1136, 1278, 1296, 1338, 1704, 1784, 1917, 2007, 2556, 2676, 3408, 3568, 3834, 4014, 5112, 5352, 5751, 6021, 7668, 8028, 10224, 10704, 11502, 12042, 15336, 15833, 16056, 18063, 23004, 24084, 30672, 31666, 32112, 36126, 46008, 47499, 48168, 63332, 72252, 92016, 94998, 96336, 126664, 142497, 144504, 189996, 253328, 284994, 289008, 379992, 427491, 569988, 759984, 854982, 1139976, 1282473, 1709964, 2279952, 2564946, 3419928, 5129892, 6839856, 10259784, 20519568]

約数ペア:

[(1, 20519568), (2, 10259784), (3, 6839856), (4, 5129892), (6, 3419928), (8, 2564946), (9, 2279952), (12, 1709964), (16, 1282473), (18, 1139976), (24, 854982), (27, 759984), (36, 569988), (48, 427491), (54, 379992), (71, 289008), (72, 284994), (81, 253328), (108, 189996), (142, 144504), (144, 142497), (162, 126664), (213, 96336), (216, 94998), (223, 92016), (284, 72252), (324, 63332), (426, 48168), (432, 47499), (446, 46008), (568, 36126), (639, 32112), (648, 31666), (669, 30672), (852, 24084), (892, 23004), (1136, 18063), (1278, 16056), (1296, 15833), (1338, 15336), (1704, 12042), (1784, 11502), (1917, 10704), (2007, 10224), (2556, 8028), (2676, 7668), (3408, 6021), (3568, 5751), (3834, 5352), (4014, 5112)]