20380698

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{347}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 27501318

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 251, 347, 502, 694, 753, 1041, 1506, 2082, 2259, 3123, 3263, 4511, 4518, 6246, 6526, 9022, 9789, 13533, 19578, 27066, 29367, 40599, 58734, 81198, 87097, 174194, 261291, 522582, 783873, 1132261, 1567746, 2264522, 3396783, 6793566, 10190349, 20380698]

約数ペア:

[(1, 20380698), (2, 10190349), (3, 6793566), (6, 3396783), (9, 2264522), (13, 1567746), (18, 1132261), (26, 783873), (39, 522582), (78, 261291), (117, 174194), (234, 87097), (251, 81198), (347, 58734), (502, 40599), (694, 29367), (753, 27066), (1041, 19578), (1506, 13533), (2082, 9789), (2259, 9022), (3123, 6526), (3263, 6246), (4511, 4518)]