20265011195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{318457}}^1$

素因数の和:318575

約数の個数: 32

約数和(自身を含む): 28890509760

約数和(自身を除く): 8625498565

約数列:

[1, 5, 11, 13, 55, 65, 89, 143, 445, 715, 979, 1157, 4895, 5785, 12727, 63635, 318457, 1592285, 3503027, 4139941, 17515135, 20699705, 28342673, 45539351, 141713365, 227696755, 311769403, 368454749, 1558847015, 1842273745, 4053002239, 20265011195]

約数ペア:

[(1, 20265011195), (5, 4053002239), (11, 1842273745), (13, 1558847015), (55, 368454749), (65, 311769403), (89, 227696755), (143, 141713365), (445, 45539351), (715, 28342673), (979, 20699705), (1157, 17515135), (4895, 4139941), (5785, 3503027), (12727, 1592285), (63635, 318457)]