20889252

素因数分解:

$2^2\times 3^5\times {\mathrm{21491}}^1$

素因数の和:21510

約数の個数: 36

約数和(自身を含む): 54761616

約数和(自身を除く): 33872364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21491, 42982, 64473, 85964, 128946, 193419, 257892, 386838, 580257, 773676, 1160514, 1740771, 2321028, 3481542, 5222313, 6963084, 10444626, 20889252]

約数ペア:

[(1, 20889252), (2, 10444626), (3, 6963084), (4, 5222313), (6, 3481542), (9, 2321028), (12, 1740771), (18, 1160514), (27, 773676), (36, 580257), (54, 386838), (81, 257892), (108, 193419), (162, 128946), (243, 85964), (324, 64473), (486, 42982), (972, 21491)]