20131378204

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{22961}}^1$

素因数の和:23326

約数の個数: 48

約数和(自身を含む): 40720994496

約数和(自身を除く): 20589616292

約数列:

[1, 2, 4, 7, 14, 28, 173, 181, 346, 362, 692, 724, 1211, 1267, 2422, 2534, 4844, 5068, 22961, 31313, 45922, 62626, 91844, 125252, 160727, 219191, 321454, 438382, 642908, 876764, 3972253, 4155941, 7944506, 8311882, 15889012, 16623764, 27805771, 29091587, 55611542, 58183174, 111223084, 116366348, 718977793, 1437955586, 2875911172, 5032844551, 10065689102, 20131378204]

約数ペア:

[(1, 20131378204), (2, 10065689102), (4, 5032844551), (7, 2875911172), (14, 1437955586), (28, 718977793), (173, 116366348), (181, 111223084), (346, 58183174), (362, 55611542), (692, 29091587), (724, 27805771), (1211, 16623764), (1267, 15889012), (2422, 8311882), (2534, 7944506), (4844, 4155941), (5068, 3972253), (22961, 876764), (31313, 642908), (45922, 438382), (62626, 321454), (91844, 219191), (125252, 160727)]