20855844

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30491}}^1$

素因数の和:30520

約数の個数: 36

約数和(自身を含む): 55495440

約数和(自身を除く): 34639596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30491, 60982, 91473, 121964, 182946, 274419, 365892, 548838, 579329, 1097676, 1158658, 1737987, 2317316, 3475974, 5213961, 6951948, 10427922, 20855844]

約数ペア:

[(1, 20855844), (2, 10427922), (3, 6951948), (4, 5213961), (6, 3475974), (9, 2317316), (12, 1737987), (18, 1158658), (19, 1097676), (36, 579329), (38, 548838), (57, 365892), (76, 274419), (114, 182946), (171, 121964), (228, 91473), (342, 60982), (684, 30491)]