20649220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60733}}^1$

素因数の和:60759

約数の個数: 24

約数和(自身を含む): 45914904

約数和(自身を除く): 25265684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60733, 121466, 242932, 303665, 607330, 1032461, 1214660, 2064922, 4129844, 5162305, 10324610, 20649220]

約数ペア:

[(1, 20649220), (2, 10324610), (4, 5162305), (5, 4129844), (10, 2064922), (17, 1214660), (20, 1032461), (34, 607330), (68, 303665), (85, 242932), (170, 121466), (340, 60733)]