20139673820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1820947}}^1$

素因数の和:1821042

約数の個数: 48

約数和(自身を含む): 48947082240

約数和(自身を除く): 28807408420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 1820947, 3641894, 7283788, 9104735, 12746629, 18209470, 25493258, 36418940, 50986516, 63733145, 127466290, 143854813, 254932580, 287709626, 575419252, 719274065, 1006983691, 1438548130, 2013967382, 2877096260, 4027934764, 5034918455, 10069836910, 20139673820]

約数ペア:

[(1, 20139673820), (2, 10069836910), (4, 5034918455), (5, 4027934764), (7, 2877096260), (10, 2013967382), (14, 1438548130), (20, 1006983691), (28, 719274065), (35, 575419252), (70, 287709626), (79, 254932580), (140, 143854813), (158, 127466290), (316, 63733145), (395, 50986516), (553, 36418940), (790, 25493258), (1106, 18209470), (1580, 12746629), (2212, 9104735), (2765, 7283788), (5530, 3641894), (11060, 1820947)]