20217076131

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1\times {\mathrm{60091}}^1$

素因数の和:60571

約数の個数: 32

約数和(自身を含む): 31713192448

約数和(自身を除く): 11496116317

約数列:

[1, 3, 7, 21, 37, 111, 259, 433, 777, 1299, 3031, 9093, 16021, 48063, 60091, 112147, 180273, 336441, 420637, 1261911, 2223367, 6670101, 15563569, 26019403, 46690707, 78058209, 182135821, 546407463, 962717911, 2888153733, 6739025377, 20217076131]

約数ペア:

[(1, 20217076131), (3, 6739025377), (7, 2888153733), (21, 962717911), (37, 546407463), (111, 182135821), (259, 78058209), (433, 46690707), (777, 26019403), (1299, 15563569), (3031, 6670101), (9093, 2223367), (16021, 1261911), (48063, 420637), (60091, 336441), (112147, 180273)]