20809656064

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{21499}}^1$

素因数の和:21733

約数の個数: 72

約数和(自身を含む): 43946000000

約数和(自身を除く): 23136343936

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 199, 256, 304, 398, 608, 796, 1216, 1592, 2432, 3184, 3781, 4864, 6368, 7562, 12736, 15124, 21499, 25472, 30248, 42998, 50944, 60496, 85996, 120992, 171992, 241984, 343984, 408481, 483968, 687968, 816962, 967936, 1375936, 1633924, 2751872, 3267848, 4278301, 5503744, 6535696, 8556602, 13071392, 17113204, 26142784, 34226408, 52285568, 68452816, 81287719, 104571136, 136905632, 162575438, 273811264, 325150876, 547622528, 650301752, 1095245056, 1300603504, 2601207008, 5202414016, 10404828032, 20809656064]

約数ペア:

[(1, 20809656064), (2, 10404828032), (4, 5202414016), (8, 2601207008), (16, 1300603504), (19, 1095245056), (32, 650301752), (38, 547622528), (64, 325150876), (76, 273811264), (128, 162575438), (152, 136905632), (199, 104571136), (256, 81287719), (304, 68452816), (398, 52285568), (608, 34226408), (796, 26142784), (1216, 17113204), (1592, 13071392), (2432, 8556602), (3184, 6535696), (3781, 5503744), (4864, 4278301), (6368, 3267848), (7562, 2751872), (12736, 1633924), (15124, 1375936), (21499, 967936), (25472, 816962), (30248, 687968), (42998, 483968), (50944, 408481), (60496, 343984), (85996, 241984), (120992, 171992)]