20199702160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{998009}}^1$

素因数の和:998056

約数の個数: 80

約数和(自身を含む): 53461399680

約数和(自身を除く): 33261697520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 5060, 10120, 20240, 998009, 1996018, 3992036, 4990045, 7984072, 9980090, 10978099, 15968144, 19960180, 21956198, 22954207, 39920360, 43912396, 45908414, 54890495, 79840720, 87824792, 91816828, 109780990, 114771035, 175649584, 183633656, 219561980, 229542070, 252496277, 367267312, 439123960, 459084140, 504992554, 878247920, 918168280, 1009985108, 1262481385, 1836336560, 2019970216, 2524962770, 4039940432, 5049925540, 10099851080, 20199702160]

約数ペア:

[(1, 20199702160), (2, 10099851080), (4, 5049925540), (5, 4039940432), (8, 2524962770), (10, 2019970216), (11, 1836336560), (16, 1262481385), (20, 1009985108), (22, 918168280), (23, 878247920), (40, 504992554), (44, 459084140), (46, 439123960), (55, 367267312), (80, 252496277), (88, 229542070), (92, 219561980), (110, 183633656), (115, 175649584), (176, 114771035), (184, 109780990), (220, 91816828), (230, 87824792), (253, 79840720), (368, 54890495), (440, 45908414), (460, 43912396), (506, 39920360), (880, 22954207), (920, 21956198), (1012, 19960180), (1265, 15968144), (1840, 10978099), (2024, 9980090), (2530, 7984072), (4048, 4990045), (5060, 3992036), (10120, 1996018), (20240, 998009)]