20679672

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 35768328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 79, 104, 156, 158, 237, 312, 316, 474, 632, 839, 948, 1027, 1678, 1896, 2054, 2517, 3081, 3356, 4108, 5034, 6162, 6712, 8216, 10068, 10907, 12324, 20136, 21814, 24648, 32721, 43628, 65442, 66281, 87256, 130884, 132562, 198843, 261768, 265124, 397686, 530248, 795372, 861653, 1590744, 1723306, 2584959, 3446612, 5169918, 6893224, 10339836, 20679672]

約数ペア:

[(1, 20679672), (2, 10339836), (3, 6893224), (4, 5169918), (6, 3446612), (8, 2584959), (12, 1723306), (13, 1590744), (24, 861653), (26, 795372), (39, 530248), (52, 397686), (78, 265124), (79, 261768), (104, 198843), (156, 132562), (158, 130884), (237, 87256), (312, 66281), (316, 65442), (474, 43628), (632, 32721), (839, 24648), (948, 21814), (1027, 20136), (1678, 12324), (1896, 10907), (2054, 10068), (2517, 8216), (3081, 6712), (3356, 6162), (4108, 5034)]