20591472

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 59103360

約数和(自身を除く): 38511888

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 59, 66, 88, 118, 132, 176, 177, 236, 264, 354, 472, 528, 649, 661, 708, 944, 1298, 1322, 1416, 1947, 1983, 2596, 2644, 2832, 3894, 3966, 5192, 5288, 7271, 7788, 7932, 10384, 10576, 14542, 15576, 15864, 21813, 29084, 31152, 31728, 38999, 43626, 58168, 77998, 87252, 116336, 116997, 155996, 174504, 233994, 311992, 349008, 428989, 467988, 623984, 857978, 935976, 1286967, 1715956, 1871952, 2573934, 3431912, 5147868, 6863824, 10295736, 20591472]

約数ペア:

[(1, 20591472), (2, 10295736), (3, 6863824), (4, 5147868), (6, 3431912), (8, 2573934), (11, 1871952), (12, 1715956), (16, 1286967), (22, 935976), (24, 857978), (33, 623984), (44, 467988), (48, 428989), (59, 349008), (66, 311992), (88, 233994), (118, 174504), (132, 155996), (176, 116997), (177, 116336), (236, 87252), (264, 77998), (354, 58168), (472, 43626), (528, 38999), (649, 31728), (661, 31152), (708, 29084), (944, 21813), (1298, 15864), (1322, 15576), (1416, 14542), (1947, 10576), (1983, 10384), (2596, 7932), (2644, 7788), (2832, 7271), (3894, 5288), (3966, 5192)]