20713984

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{1759}}^1$

素因数の和:1800

約数の個数: 40

約数和(自身を含む): 43211520

約数和(自身を除く): 22497536

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 1759, 2944, 3518, 5888, 7036, 11776, 14072, 28144, 40457, 56288, 80914, 112576, 161828, 225152, 323656, 450304, 647312, 900608, 1294624, 2589248, 5178496, 10356992, 20713984]

約数ペア:

[(1, 20713984), (2, 10356992), (4, 5178496), (8, 2589248), (16, 1294624), (23, 900608), (32, 647312), (46, 450304), (64, 323656), (92, 225152), (128, 161828), (184, 112576), (256, 80914), (368, 56288), (512, 40457), (736, 28144), (1472, 14072), (1759, 11776), (2944, 7036), (3518, 5888)]