20850944

素因数分解:

$2^8\times {\mathrm{79}}^1\times {\mathrm{1031}}^1$

素因数の和:1126

約数の個数: 36

約数和(自身を含む): 42188160

約数和(自身を除く): 21337216

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 632, 1031, 1264, 2062, 2528, 4124, 5056, 8248, 10112, 16496, 20224, 32992, 65984, 81449, 131968, 162898, 263936, 325796, 651592, 1303184, 2606368, 5212736, 10425472, 20850944]

約数ペア:

[(1, 20850944), (2, 10425472), (4, 5212736), (8, 2606368), (16, 1303184), (32, 651592), (64, 325796), (79, 263936), (128, 162898), (158, 131968), (256, 81449), (316, 65984), (632, 32992), (1031, 20224), (1264, 16496), (2062, 10112), (2528, 8248), (4124, 5056)]