20117143795

素因数分解:

$5^1\times 7^3\times {\mathrm{97}}^1\times {\mathrm{120929}}^1$

素因数の和:121052

約数の個数: 32

約数和(自身を含む): 28442736000

約数和(自身を除く): 8325592205

約数列:

[1, 5, 7, 35, 49, 97, 245, 343, 485, 679, 1715, 3395, 4753, 23765, 33271, 120929, 166355, 604645, 846503, 4232515, 5925521, 11730113, 29627605, 41478647, 58650565, 82110791, 207393235, 410553955, 574775537, 2873877685, 4023428759, 20117143795]

約数ペア:

[(1, 20117143795), (5, 4023428759), (7, 2873877685), (35, 574775537), (49, 410553955), (97, 207393235), (245, 82110791), (343, 58650565), (485, 41478647), (679, 29627605), (1715, 11730113), (3395, 5925521), (4753, 4232515), (23765, 846503), (33271, 604645), (120929, 166355)]