20163737540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2273}}^1\times {\mathrm{3191}}^1$

素因数の和:5612

約数の個数: 48

約数和(自身を含む): 42680615040

約数和(自身を除く): 22516877500

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2273, 2780, 3191, 4546, 6382, 9092, 11365, 12764, 15955, 22730, 31910, 45460, 63820, 315947, 443549, 631894, 887098, 1263788, 1579735, 1774196, 2217745, 3159470, 4435490, 6318940, 7253143, 8870980, 14506286, 29012572, 36265715, 72531430, 145062860, 1008186877, 2016373754, 4032747508, 5040934385, 10081868770, 20163737540]

約数ペア:

[(1, 20163737540), (2, 10081868770), (4, 5040934385), (5, 4032747508), (10, 2016373754), (20, 1008186877), (139, 145062860), (278, 72531430), (556, 36265715), (695, 29012572), (1390, 14506286), (2273, 8870980), (2780, 7253143), (3191, 6318940), (4546, 4435490), (6382, 3159470), (9092, 2217745), (11365, 1774196), (12764, 1579735), (15955, 1263788), (22730, 887098), (31910, 631894), (45460, 443549), (63820, 315947)]