20512474499

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{2689}}^1$

素因数の和:2868

約数の個数: 48

約数和(自身を含む): 25236891360

約数和(自身を除く): 4724416861

約数列:

[1, 11, 17, 19, 113, 187, 209, 323, 361, 1243, 1921, 2147, 2689, 3553, 3971, 6137, 21131, 23617, 29579, 36499, 40793, 45713, 51091, 67507, 303857, 401489, 448723, 502843, 562001, 693481, 868547, 970729, 3342427, 5165569, 5773283, 7628291, 9554017, 10678019, 16502393, 56821259, 63506113, 98145811, 109692377, 181526323, 1079603921, 1206616147, 1864770409, 20512474499]

約数ペア:

[(1, 20512474499), (11, 1864770409), (17, 1206616147), (19, 1079603921), (113, 181526323), (187, 109692377), (209, 98145811), (323, 63506113), (361, 56821259), (1243, 16502393), (1921, 10678019), (2147, 9554017), (2689, 7628291), (3553, 5773283), (3971, 5165569), (6137, 3342427), (21131, 970729), (23617, 868547), (29579, 693481), (36499, 562001), (40793, 502843), (45713, 448723), (51091, 401489), (67507, 303857)]