20735348529

素因数分解:

$3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1091}}^1\times {\mathrm{2521}}^1$

素因数の和:3981

約数の個数: 32

約数和(自身を含む): 31726356480

約数和(自身を除く): 10991007951

約数列:

[1, 3, 7, 21, 359, 1077, 1091, 2513, 2521, 3273, 7539, 7563, 7637, 17647, 22911, 52941, 391669, 905039, 1175007, 2715117, 2741683, 2750411, 6335273, 8225049, 8251233, 19005819, 19252877, 57758631, 987397549, 2962192647, 6911782843, 20735348529]

約数ペア:

[(1, 20735348529), (3, 6911782843), (7, 2962192647), (21, 987397549), (359, 57758631), (1077, 19252877), (1091, 19005819), (2513, 8251233), (2521, 8225049), (3273, 6335273), (7539, 2750411), (7563, 2741683), (7637, 2715117), (17647, 1175007), (22911, 905039), (52941, 391669)]