20391648

素因数分解:

$2^5\times 3^1\times {\mathrm{311}}^1\times {\mathrm{683}}^1$

素因数の和:1007

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 33387168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 311, 622, 683, 933, 1244, 1366, 1866, 2049, 2488, 2732, 3732, 4098, 4976, 5464, 7464, 8196, 9952, 10928, 14928, 16392, 21856, 29856, 32784, 65568, 212413, 424826, 637239, 849652, 1274478, 1699304, 2548956, 3398608, 5097912, 6797216, 10195824, 20391648]

約数ペア:

[(1, 20391648), (2, 10195824), (3, 6797216), (4, 5097912), (6, 3398608), (8, 2548956), (12, 1699304), (16, 1274478), (24, 849652), (32, 637239), (48, 424826), (96, 212413), (311, 65568), (622, 32784), (683, 29856), (933, 21856), (1244, 16392), (1366, 14928), (1866, 10928), (2049, 9952), (2488, 8196), (2732, 7464), (3732, 5464), (4098, 4976)]