20217184

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2113}}^1$

素因数の和:2159

約数の個数: 48

約数和(自身を含む): 44749152

約数和(自身を除く): 24531968

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 184, 208, 299, 368, 416, 598, 736, 1196, 2113, 2392, 4226, 4784, 8452, 9568, 16904, 27469, 33808, 48599, 54938, 67616, 97198, 109876, 194396, 219752, 388792, 439504, 631787, 777584, 879008, 1263574, 1555168, 2527148, 5054296, 10108592, 20217184]

約数ペア:

[(1, 20217184), (2, 10108592), (4, 5054296), (8, 2527148), (13, 1555168), (16, 1263574), (23, 879008), (26, 777584), (32, 631787), (46, 439504), (52, 388792), (92, 219752), (104, 194396), (184, 109876), (208, 97198), (299, 67616), (368, 54938), (416, 48599), (598, 33808), (736, 27469), (1196, 16904), (2113, 9568), (2392, 8452), (4226, 4784)]