20353008

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^3\times {\mathrm{193}}^1$

素因数の和:243

約数の個数: 80

約数和(自身を含む): 57253280

約数和(自身を除く): 36900272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 193, 208, 312, 338, 386, 507, 579, 624, 676, 772, 1014, 1158, 1352, 1544, 2028, 2197, 2316, 2509, 2704, 3088, 4056, 4394, 4632, 5018, 6591, 7527, 8112, 8788, 9264, 10036, 13182, 15054, 17576, 20072, 26364, 30108, 32617, 35152, 40144, 52728, 60216, 65234, 97851, 105456, 120432, 130468, 195702, 260936, 391404, 424021, 521872, 782808, 848042, 1272063, 1565616, 1696084, 2544126, 3392168, 5088252, 6784336, 10176504, 20353008]

約数ペア:

[(1, 20353008), (2, 10176504), (3, 6784336), (4, 5088252), (6, 3392168), (8, 2544126), (12, 1696084), (13, 1565616), (16, 1272063), (24, 848042), (26, 782808), (39, 521872), (48, 424021), (52, 391404), (78, 260936), (104, 195702), (156, 130468), (169, 120432), (193, 105456), (208, 97851), (312, 65234), (338, 60216), (386, 52728), (507, 40144), (579, 35152), (624, 32617), (676, 30108), (772, 26364), (1014, 20072), (1158, 17576), (1352, 15054), (1544, 13182), (2028, 10036), (2197, 9264), (2316, 8788), (2509, 8112), (2704, 7527), (3088, 6591), (4056, 5018), (4394, 4632)]