20765044

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 19595276

約数列:

[1, 2, 4, 23, 29, 43, 46, 58, 86, 92, 116, 172, 181, 362, 667, 724, 989, 1247, 1334, 1978, 2494, 2668, 3956, 4163, 4988, 5249, 7783, 8326, 10498, 15566, 16652, 20996, 28681, 31132, 57362, 114724, 120727, 179009, 225707, 241454, 358018, 451414, 482908, 716036, 902828, 5191261, 10382522, 20765044]

約数ペア:

[(1, 20765044), (2, 10382522), (4, 5191261), (23, 902828), (29, 716036), (43, 482908), (46, 451414), (58, 358018), (86, 241454), (92, 225707), (116, 179009), (172, 120727), (181, 114724), (362, 57362), (667, 31132), (724, 28681), (989, 20996), (1247, 16652), (1334, 15566), (1978, 10498), (2494, 8326), (2668, 7783), (3956, 5249), (4163, 4988)]