20177352

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21557}}^1$

素因数の和:21582

約数の個数: 48

約数和(自身を含む): 58853340

約数和(自身を除く): 38675988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21557, 43114, 64671, 86228, 129342, 172456, 194013, 258684, 280241, 388026, 517368, 560482, 776052, 840723, 1120964, 1552104, 1681446, 2241928, 2522169, 3362892, 5044338, 6725784, 10088676, 20177352]

約数ペア:

[(1, 20177352), (2, 10088676), (3, 6725784), (4, 5044338), (6, 3362892), (8, 2522169), (9, 2241928), (12, 1681446), (13, 1552104), (18, 1120964), (24, 840723), (26, 776052), (36, 560482), (39, 517368), (52, 388026), (72, 280241), (78, 258684), (104, 194013), (117, 172456), (156, 129342), (234, 86228), (312, 64671), (468, 43114), (936, 21557)]