20278512

素因数分解:

$2^4\times 3^4\times {\mathrm{15647}}^1$

素因数の和:15667

約数の個数: 50

約数和(自身を含む): 58695648

約数和(自身を除く): 38417136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 15647, 31294, 46941, 62588, 93882, 125176, 140823, 187764, 250352, 281646, 375528, 422469, 563292, 751056, 844938, 1126584, 1267407, 1689876, 2253168, 2534814, 3379752, 5069628, 6759504, 10139256, 20278512]

約数ペア:

[(1, 20278512), (2, 10139256), (3, 6759504), (4, 5069628), (6, 3379752), (8, 2534814), (9, 2253168), (12, 1689876), (16, 1267407), (18, 1126584), (24, 844938), (27, 751056), (36, 563292), (48, 422469), (54, 375528), (72, 281646), (81, 250352), (108, 187764), (144, 140823), (162, 125176), (216, 93882), (324, 62588), (432, 46941), (648, 31294), (1296, 15647)]