20995544008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1181}}^1\times {\mathrm{116959}}^1$

素因数の和:118165

約数の個数: 32

約数和(自身を含む): 41474016000

約数和(自身を除く): 20478471992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1181, 2362, 4724, 9448, 22439, 44878, 89756, 116959, 179512, 233918, 467836, 935672, 2222221, 4444442, 8888884, 17777768, 138128579, 276257158, 552514316, 1105028632, 2624443001, 5248886002, 10497772004, 20995544008]

約数ペア:

[(1, 20995544008), (2, 10497772004), (4, 5248886002), (8, 2624443001), (19, 1105028632), (38, 552514316), (76, 276257158), (152, 138128579), (1181, 17777768), (2362, 8888884), (4724, 4444442), (9448, 2222221), (22439, 935672), (44878, 467836), (89756, 233918), (116959, 179512)]