20178936

素因数分解:

$2^3\times 3^3\times {\mathrm{103}}^1\times {\mathrm{907}}^1$

素因数の和:1025

約数の個数: 64

約数和(自身を含む): 56659200

約数和(自身を除く): 36480264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 103, 108, 206, 216, 309, 412, 618, 824, 907, 927, 1236, 1814, 1854, 2472, 2721, 2781, 3628, 3708, 5442, 5562, 7256, 7416, 8163, 10884, 11124, 16326, 21768, 22248, 24489, 32652, 48978, 65304, 93421, 97956, 186842, 195912, 280263, 373684, 560526, 747368, 840789, 1121052, 1681578, 2242104, 2522367, 3363156, 5044734, 6726312, 10089468, 20178936]

約数ペア:

[(1, 20178936), (2, 10089468), (3, 6726312), (4, 5044734), (6, 3363156), (8, 2522367), (9, 2242104), (12, 1681578), (18, 1121052), (24, 840789), (27, 747368), (36, 560526), (54, 373684), (72, 280263), (103, 195912), (108, 186842), (206, 97956), (216, 93421), (309, 65304), (412, 48978), (618, 32652), (824, 24489), (907, 22248), (927, 21768), (1236, 16326), (1814, 11124), (1854, 10884), (2472, 8163), (2721, 7416), (2781, 7256), (3628, 5562), (3708, 5442)]