20948472

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2221}}^1$

素因数の和:2364

約数の個数: 48

約数和(自身を含む): 57194280

約数和(自身を除く): 36245808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2221, 2358, 3144, 4442, 4716, 6663, 8884, 9432, 13326, 17768, 19989, 26652, 39978, 53304, 79956, 159912, 290951, 581902, 872853, 1163804, 1745706, 2327608, 2618559, 3491412, 5237118, 6982824, 10474236, 20948472]

約数ペア:

[(1, 20948472), (2, 10474236), (3, 6982824), (4, 5237118), (6, 3491412), (8, 2618559), (9, 2327608), (12, 1745706), (18, 1163804), (24, 872853), (36, 581902), (72, 290951), (131, 159912), (262, 79956), (393, 53304), (524, 39978), (786, 26652), (1048, 19989), (1179, 17768), (1572, 13326), (2221, 9432), (2358, 8884), (3144, 6663), (4442, 4716)]