20170080021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{19739}}^1$

素因数の和:19978

約数の個数: 64

約数和(自身を含む): 35020339200

約数和(自身を除く): 14850259179

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 197, 247, 273, 399, 591, 741, 1379, 1729, 2561, 3743, 4137, 5187, 7683, 11229, 17927, 19739, 26201, 48659, 53781, 59217, 78603, 138173, 145977, 256607, 340613, 375041, 414519, 769821, 1021839, 1125123, 1796249, 2625287, 3888583, 4875533, 5388747, 7875861, 11665749, 14626599, 27220081, 34128731, 50551579, 73883077, 81660243, 102386193, 151654737, 221649231, 353861053, 517181539, 960480001, 1061583159, 1551544617, 2881440003, 6723360007, 20170080021]

約数ペア:

[(1, 20170080021), (3, 6723360007), (7, 2881440003), (13, 1551544617), (19, 1061583159), (21, 960480001), (39, 517181539), (57, 353861053), (91, 221649231), (133, 151654737), (197, 102386193), (247, 81660243), (273, 73883077), (399, 50551579), (591, 34128731), (741, 27220081), (1379, 14626599), (1729, 11665749), (2561, 7875861), (3743, 5388747), (4137, 4875533), (5187, 3888583), (7683, 2625287), (11229, 1796249), (17927, 1125123), (19739, 1021839), (26201, 769821), (48659, 414519), (53781, 375041), (59217, 340613), (78603, 256607), (138173, 145977)]