20380386

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 44798400

約数和(自身を除く): 24418014

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 101, 169, 199, 202, 303, 338, 398, 507, 597, 606, 1014, 1194, 1313, 2587, 2626, 3939, 5174, 7761, 7878, 15522, 17069, 20099, 33631, 34138, 40198, 51207, 60297, 67262, 100893, 102414, 120594, 201786, 261287, 522574, 783861, 1567722, 3396731, 6793462, 10190193, 20380386]

約数ペア:

[(1, 20380386), (2, 10190193), (3, 6793462), (6, 3396731), (13, 1567722), (26, 783861), (39, 522574), (78, 261287), (101, 201786), (169, 120594), (199, 102414), (202, 100893), (303, 67262), (338, 60297), (398, 51207), (507, 40198), (597, 34138), (606, 33631), (1014, 20099), (1194, 17069), (1313, 15522), (2587, 7878), (2626, 7761), (3939, 5174)]