20028480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:724

約数の個数: 112

約数和(自身を含む): 65739264

約数和(自身を除く): 45710784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 673, 744, 930, 960, 992, 1240, 1346, 1488, 1860, 1984, 2019, 2480, 2692, 2976, 3365, 3720, 4038, 4960, 5384, 5952, 6730, 7440, 8076, 9920, 10095, 10768, 13460, 14880, 16152, 20190, 20863, 21536, 26920, 29760, 32304, 40380, 41726, 43072, 53840, 62589, 64608, 80760, 83452, 104315, 107680, 125178, 129216, 161520, 166904, 208630, 215360, 250356, 312945, 323040, 333808, 417260, 500712, 625890, 646080, 667616, 834520, 1001424, 1251780, 1335232, 1669040, 2002848, 2503560, 3338080, 4005696, 5007120, 6676160, 10014240, 20028480]

約数ペア:

[(1, 20028480), (2, 10014240), (3, 6676160), (4, 5007120), (5, 4005696), (6, 3338080), (8, 2503560), (10, 2002848), (12, 1669040), (15, 1335232), (16, 1251780), (20, 1001424), (24, 834520), (30, 667616), (31, 646080), (32, 625890), (40, 500712), (48, 417260), (60, 333808), (62, 323040), (64, 312945), (80, 250356), (93, 215360), (96, 208630), (120, 166904), (124, 161520), (155, 129216), (160, 125178), (186, 107680), (192, 104315), (240, 83452), (248, 80760), (310, 64608), (320, 62589), (372, 53840), (465, 43072), (480, 41726), (496, 40380), (620, 32304), (673, 29760), (744, 26920), (930, 21536), (960, 20863), (992, 20190), (1240, 16152), (1346, 14880), (1488, 13460), (1860, 10768), (1984, 10095), (2019, 9920), (2480, 8076), (2692, 7440), (2976, 6730), (3365, 5952), (3720, 5384), (4038, 4960)]