20880504

素因数分解:

$2^3\times 3^5\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 40446216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 81, 92, 108, 138, 162, 184, 207, 216, 243, 276, 324, 414, 467, 486, 552, 621, 648, 828, 934, 972, 1242, 1401, 1656, 1863, 1868, 1944, 2484, 2802, 3726, 3736, 4203, 4968, 5589, 5604, 7452, 8406, 10741, 11178, 11208, 12609, 14904, 16812, 21482, 22356, 25218, 32223, 33624, 37827, 42964, 44712, 50436, 64446, 75654, 85928, 96669, 100872, 113481, 128892, 151308, 193338, 226962, 257784, 290007, 302616, 386676, 453924, 580014, 773352, 870021, 907848, 1160028, 1740042, 2320056, 2610063, 3480084, 5220126, 6960168, 10440252, 20880504]

約数ペア:

[(1, 20880504), (2, 10440252), (3, 6960168), (4, 5220126), (6, 3480084), (8, 2610063), (9, 2320056), (12, 1740042), (18, 1160028), (23, 907848), (24, 870021), (27, 773352), (36, 580014), (46, 453924), (54, 386676), (69, 302616), (72, 290007), (81, 257784), (92, 226962), (108, 193338), (138, 151308), (162, 128892), (184, 113481), (207, 100872), (216, 96669), (243, 85928), (276, 75654), (324, 64446), (414, 50436), (467, 44712), (486, 42964), (552, 37827), (621, 33624), (648, 32223), (828, 25218), (934, 22356), (972, 21482), (1242, 16812), (1401, 14904), (1656, 12609), (1863, 11208), (1868, 11178), (1944, 10741), (2484, 8406), (2802, 7452), (3726, 5604), (3736, 5589), (4203, 4968)]