20890872

素因数分解:

$2^3\times 3^4\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 59270640

約数和(自身を除く): 38379768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 103, 108, 162, 206, 216, 309, 313, 324, 412, 618, 626, 648, 824, 927, 939, 1236, 1252, 1854, 1878, 2472, 2504, 2781, 2817, 3708, 3756, 5562, 5634, 7416, 7512, 8343, 8451, 11124, 11268, 16686, 16902, 22248, 22536, 25353, 32239, 33372, 33804, 50706, 64478, 66744, 67608, 96717, 101412, 128956, 193434, 202824, 257912, 290151, 386868, 580302, 773736, 870453, 1160604, 1740906, 2321208, 2611359, 3481812, 5222718, 6963624, 10445436, 20890872]

約数ペア:

[(1, 20890872), (2, 10445436), (3, 6963624), (4, 5222718), (6, 3481812), (8, 2611359), (9, 2321208), (12, 1740906), (18, 1160604), (24, 870453), (27, 773736), (36, 580302), (54, 386868), (72, 290151), (81, 257912), (103, 202824), (108, 193434), (162, 128956), (206, 101412), (216, 96717), (309, 67608), (313, 66744), (324, 64478), (412, 50706), (618, 33804), (626, 33372), (648, 32239), (824, 25353), (927, 22536), (939, 22248), (1236, 16902), (1252, 16686), (1854, 11268), (1878, 11124), (2472, 8451), (2504, 8343), (2781, 7512), (2817, 7416), (3708, 5634), (3756, 5562)]