20452848

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 57808800

約数和(自身を除く): 37355952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 73, 78, 104, 146, 156, 208, 219, 292, 312, 438, 449, 584, 624, 876, 898, 949, 1168, 1347, 1752, 1796, 1898, 2694, 2847, 3504, 3592, 3796, 5388, 5694, 5837, 7184, 7592, 10776, 11388, 11674, 15184, 17511, 21552, 22776, 23348, 32777, 35022, 45552, 46696, 65554, 70044, 93392, 98331, 131108, 140088, 196662, 262216, 280176, 393324, 426101, 524432, 786648, 852202, 1278303, 1573296, 1704404, 2556606, 3408808, 5113212, 6817616, 10226424, 20452848]

約数ペア:

[(1, 20452848), (2, 10226424), (3, 6817616), (4, 5113212), (6, 3408808), (8, 2556606), (12, 1704404), (13, 1573296), (16, 1278303), (24, 852202), (26, 786648), (39, 524432), (48, 426101), (52, 393324), (73, 280176), (78, 262216), (104, 196662), (146, 140088), (156, 131108), (208, 98331), (219, 93392), (292, 70044), (312, 65554), (438, 46696), (449, 45552), (584, 35022), (624, 32777), (876, 23348), (898, 22776), (949, 21552), (1168, 17511), (1347, 15184), (1752, 11674), (1796, 11388), (1898, 10776), (2694, 7592), (2847, 7184), (3504, 5837), (3592, 5694), (3796, 5388)]