20361276

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 56005040

約数和(自身を除く): 35643764

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 313, 417, 468, 556, 626, 834, 939, 1251, 1252, 1668, 1807, 1878, 2502, 2817, 3614, 3756, 4069, 5004, 5421, 5634, 7228, 8138, 10842, 11268, 12207, 16263, 16276, 21684, 24414, 32526, 36621, 43507, 48828, 65052, 73242, 87014, 130521, 146484, 174028, 261042, 391563, 522084, 565591, 783126, 1131182, 1566252, 1696773, 2262364, 3393546, 5090319, 6787092, 10180638, 20361276]

約数ペア:

[(1, 20361276), (2, 10180638), (3, 6787092), (4, 5090319), (6, 3393546), (9, 2262364), (12, 1696773), (13, 1566252), (18, 1131182), (26, 783126), (36, 565591), (39, 522084), (52, 391563), (78, 261042), (117, 174028), (139, 146484), (156, 130521), (234, 87014), (278, 73242), (313, 65052), (417, 48828), (468, 43507), (556, 36621), (626, 32526), (834, 24414), (939, 21684), (1251, 16276), (1252, 16263), (1668, 12207), (1807, 11268), (1878, 10842), (2502, 8138), (2817, 7228), (3614, 5634), (3756, 5421), (4069, 5004)]