20261904

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1752

約数の個数: 80

約数和(自身を含む): 59371200

約数和(自身を除く): 39109296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1709, 1976, 2964, 3418, 3952, 5127, 5928, 6836, 10254, 11856, 13672, 20508, 22217, 27344, 32471, 41016, 44434, 64942, 66651, 82032, 88868, 97413, 129884, 133302, 177736, 194826, 259768, 266604, 355472, 389652, 422123, 519536, 533208, 779304, 844246, 1066416, 1266369, 1558608, 1688492, 2532738, 3376984, 5065476, 6753968, 10130952, 20261904]

約数ペア:

[(1, 20261904), (2, 10130952), (3, 6753968), (4, 5065476), (6, 3376984), (8, 2532738), (12, 1688492), (13, 1558608), (16, 1266369), (19, 1066416), (24, 844246), (26, 779304), (38, 533208), (39, 519536), (48, 422123), (52, 389652), (57, 355472), (76, 266604), (78, 259768), (104, 194826), (114, 177736), (152, 133302), (156, 129884), (208, 97413), (228, 88868), (247, 82032), (304, 66651), (312, 64942), (456, 44434), (494, 41016), (624, 32471), (741, 27344), (912, 22217), (988, 20508), (1482, 13672), (1709, 11856), (1976, 10254), (2964, 6836), (3418, 5928), (3952, 5127)]