20257792

素因数分解:

$2^{10}\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:364

約数の個数: 44

約数和(自身を含む): 41202016

約数和(自身を除く): 20944224

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 256, 271, 292, 512, 542, 584, 1024, 1084, 1168, 2168, 2336, 4336, 4672, 8672, 9344, 17344, 18688, 19783, 34688, 37376, 39566, 69376, 74752, 79132, 138752, 158264, 277504, 316528, 633056, 1266112, 2532224, 5064448, 10128896, 20257792]

約数ペア:

[(1, 20257792), (2, 10128896), (4, 5064448), (8, 2532224), (16, 1266112), (32, 633056), (64, 316528), (73, 277504), (128, 158264), (146, 138752), (256, 79132), (271, 74752), (292, 69376), (512, 39566), (542, 37376), (584, 34688), (1024, 19783), (1084, 18688), (1168, 17344), (2168, 9344), (2336, 8672), (4336, 4672)]