20512142744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{24697}}^1$

素因数の和:24948

約数の個数: 64

約数和(自身を含む): 42251362560

約数和(自身を除く): 21739219816

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 197, 248, 394, 527, 788, 1054, 1576, 2108, 3349, 4216, 6107, 6698, 12214, 13396, 24428, 24697, 26792, 48856, 49394, 98788, 103819, 197576, 207638, 415276, 419849, 765607, 830552, 839698, 1531214, 1679396, 3062428, 3358792, 4865309, 6124856, 9730618, 13015319, 19461236, 26030638, 38922472, 52061276, 82710253, 104122552, 150824579, 165420506, 301649158, 330841012, 603298316, 661682024, 1206596632, 2564017843, 5128035686, 10256071372, 20512142744]

約数ペア:

[(1, 20512142744), (2, 10256071372), (4, 5128035686), (8, 2564017843), (17, 1206596632), (31, 661682024), (34, 603298316), (62, 330841012), (68, 301649158), (124, 165420506), (136, 150824579), (197, 104122552), (248, 82710253), (394, 52061276), (527, 38922472), (788, 26030638), (1054, 19461236), (1576, 13015319), (2108, 9730618), (3349, 6124856), (4216, 4865309), (6107, 3358792), (6698, 3062428), (12214, 1679396), (13396, 1531214), (24428, 839698), (24697, 830552), (26792, 765607), (48856, 419849), (49394, 415276), (98788, 207638), (103819, 197576)]