20881692

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 38388708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 107, 108, 117, 139, 156, 214, 234, 278, 321, 351, 417, 428, 468, 556, 642, 702, 834, 963, 1251, 1284, 1391, 1404, 1668, 1807, 1926, 2502, 2782, 2889, 3614, 3753, 3852, 4173, 5004, 5421, 5564, 5778, 7228, 7506, 8346, 10842, 11556, 12519, 14873, 15012, 16263, 16692, 21684, 25038, 29746, 32526, 37557, 44619, 48789, 50076, 59492, 65052, 75114, 89238, 97578, 133857, 150228, 178476, 193349, 195156, 267714, 386698, 401571, 535428, 580047, 773396, 803142, 1160094, 1606284, 1740141, 2320188, 3480282, 5220423, 6960564, 10440846, 20881692]

約数ペア:

[(1, 20881692), (2, 10440846), (3, 6960564), (4, 5220423), (6, 3480282), (9, 2320188), (12, 1740141), (13, 1606284), (18, 1160094), (26, 803142), (27, 773396), (36, 580047), (39, 535428), (52, 401571), (54, 386698), (78, 267714), (107, 195156), (108, 193349), (117, 178476), (139, 150228), (156, 133857), (214, 97578), (234, 89238), (278, 75114), (321, 65052), (351, 59492), (417, 50076), (428, 48789), (468, 44619), (556, 37557), (642, 32526), (702, 29746), (834, 25038), (963, 21684), (1251, 16692), (1284, 16263), (1391, 15012), (1404, 14873), (1668, 12519), (1807, 11556), (1926, 10842), (2502, 8346), (2782, 7506), (2889, 7228), (3614, 5778), (3753, 5564), (3852, 5421), (4173, 5004)]