20053968

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2040

約数の個数: 80

約数和(自身を含む): 59520000

約数和(自身を除く): 39466032

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 132, 152, 176, 209, 228, 264, 304, 418, 456, 528, 627, 836, 912, 1254, 1672, 1999, 2508, 3344, 3998, 5016, 5997, 7996, 10032, 11994, 15992, 21989, 23988, 31984, 37981, 43978, 47976, 65967, 75962, 87956, 95952, 113943, 131934, 151924, 175912, 227886, 263868, 303848, 351824, 417791, 455772, 527736, 607696, 835582, 911544, 1055472, 1253373, 1671164, 1823088, 2506746, 3342328, 5013492, 6684656, 10026984, 20053968]

約数ペア:

[(1, 20053968), (2, 10026984), (3, 6684656), (4, 5013492), (6, 3342328), (8, 2506746), (11, 1823088), (12, 1671164), (16, 1253373), (19, 1055472), (22, 911544), (24, 835582), (33, 607696), (38, 527736), (44, 455772), (48, 417791), (57, 351824), (66, 303848), (76, 263868), (88, 227886), (114, 175912), (132, 151924), (152, 131934), (176, 113943), (209, 95952), (228, 87956), (264, 75962), (304, 65967), (418, 47976), (456, 43978), (528, 37981), (627, 31984), (836, 23988), (912, 21989), (1254, 15992), (1672, 11994), (1999, 10032), (2508, 7996), (3344, 5997), (3998, 5016)]