20738952

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22157}}^1$

素因数の和:22182

約数の個数: 48

約数和(自身を含む): 60491340

約数和(自身を除く): 39752388

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22157, 44314, 66471, 88628, 132942, 177256, 199413, 265884, 288041, 398826, 531768, 576082, 797652, 864123, 1152164, 1595304, 1728246, 2304328, 2592369, 3456492, 5184738, 6912984, 10369476, 20738952]

約数ペア:

[(1, 20738952), (2, 10369476), (3, 6912984), (4, 5184738), (6, 3456492), (8, 2592369), (9, 2304328), (12, 1728246), (13, 1595304), (18, 1152164), (24, 864123), (26, 797652), (36, 576082), (39, 531768), (52, 398826), (72, 288041), (78, 265884), (104, 199413), (117, 177256), (156, 132942), (234, 88628), (312, 66471), (468, 44314), (936, 22157)]