20546400390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{593}}^1\times {\mathrm{2969}}^1$

素因数の和:3961

約数の個数: 64

約数和(自身を含む): 49538174400

約数和(自身を除く): 28991774010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 593, 778, 1167, 1186, 1779, 1945, 2334, 2965, 2969, 3558, 3890, 5835, 5930, 5938, 8895, 8907, 11670, 14845, 17790, 17814, 29690, 44535, 89070, 230677, 461354, 692031, 1153385, 1154941, 1384062, 1760617, 2306770, 2309882, 3460155, 3464823, 3521234, 5281851, 5774705, 6920310, 6929646, 8803085, 10563702, 11549410, 17324115, 17606170, 26409255, 34648230, 52818510, 684880013, 1369760026, 2054640039, 3424400065, 4109280078, 6848800130, 10273200195, 20546400390]

約数ペア:

[(1, 20546400390), (2, 10273200195), (3, 6848800130), (5, 4109280078), (6, 3424400065), (10, 2054640039), (15, 1369760026), (30, 684880013), (389, 52818510), (593, 34648230), (778, 26409255), (1167, 17606170), (1186, 17324115), (1779, 11549410), (1945, 10563702), (2334, 8803085), (2965, 6929646), (2969, 6920310), (3558, 5774705), (3890, 5281851), (5835, 3521234), (5930, 3464823), (5938, 3460155), (8895, 2309882), (8907, 2306770), (11670, 1760617), (14845, 1384062), (17790, 1154941), (17814, 1153385), (29690, 692031), (44535, 461354), (89070, 230677)]