20678595

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6791}}^1$

素因数の和:6835

約数の個数: 32

約数和(自身を含む): 39121920

約数和(自身を除く): 18443325

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6791, 20373, 33955, 47537, 101865, 142611, 196939, 237685, 590817, 713055, 984695, 1378573, 2954085, 4135719, 6892865, 20678595]

約数ペア:

[(1, 20678595), (3, 6892865), (5, 4135719), (7, 2954085), (15, 1378573), (21, 984695), (29, 713055), (35, 590817), (87, 237685), (105, 196939), (145, 142611), (203, 101865), (435, 47537), (609, 33955), (1015, 20373), (3045, 6791)]