20149643260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{147703}}^1$

素因数の和:148090

約数の個数: 48

約数和(自身を含む): 44665689600

約数和(自身を除く): 24516046340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 359, 380, 718, 1436, 1795, 3590, 6821, 7180, 13642, 27284, 34105, 68210, 136420, 147703, 295406, 590812, 738515, 1477030, 2806357, 2954060, 5612714, 11225428, 14031785, 28063570, 53025377, 56127140, 106050754, 212101508, 265126885, 530253770, 1007482163, 1060507540, 2014964326, 4029928652, 5037410815, 10074821630, 20149643260]

約数ペア:

[(1, 20149643260), (2, 10074821630), (4, 5037410815), (5, 4029928652), (10, 2014964326), (19, 1060507540), (20, 1007482163), (38, 530253770), (76, 265126885), (95, 212101508), (190, 106050754), (359, 56127140), (380, 53025377), (718, 28063570), (1436, 14031785), (1795, 11225428), (3590, 5612714), (6821, 2954060), (7180, 2806357), (13642, 1477030), (27284, 738515), (34105, 590812), (68210, 295406), (136420, 147703)]