20187152205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1867}}^1\times {\mathrm{3449}}^1$

素因数の和:5354

約数の個数: 64

約数和(自身を含む): 37120896000

約数和(自身を除く): 16933743795

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 1867, 3135, 3449, 5601, 9335, 10347, 17245, 20537, 28005, 35473, 37939, 51735, 61611, 65531, 102685, 106419, 113817, 177365, 189695, 196593, 308055, 327655, 390203, 532095, 569085, 720841, 982965, 1170609, 1951015, 2162523, 3604205, 5853045, 6439283, 10812615, 19317849, 32196415, 70832113, 96589245, 122346377, 212496339, 354160565, 367039131, 611731885, 1062481695, 1345810147, 1835195655, 4037430441, 6729050735, 20187152205]

約数ペア:

[(1, 20187152205), (3, 6729050735), (5, 4037430441), (11, 1835195655), (15, 1345810147), (19, 1062481695), (33, 611731885), (55, 367039131), (57, 354160565), (95, 212496339), (165, 122346377), (209, 96589245), (285, 70832113), (627, 32196415), (1045, 19317849), (1867, 10812615), (3135, 6439283), (3449, 5853045), (5601, 3604205), (9335, 2162523), (10347, 1951015), (17245, 1170609), (20537, 982965), (28005, 720841), (35473, 569085), (37939, 532095), (51735, 390203), (61611, 327655), (65531, 308055), (102685, 196593), (106419, 189695), (113817, 177365)]