20488916552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{155003}}^1$

素因数の和:155094

約数の個数: 64

約数和(自身を含む): 43748328960

約数和(自身を除く): 23259412408

約数列:

[1, 2, 4, 8, 13, 26, 31, 41, 52, 62, 82, 104, 124, 164, 248, 328, 403, 533, 806, 1066, 1271, 1612, 2132, 2542, 3224, 4264, 5084, 10168, 16523, 33046, 66092, 132184, 155003, 310006, 620012, 1240024, 2015039, 4030078, 4805093, 6355123, 8060156, 9610186, 12710246, 16120312, 19220372, 25420492, 38440744, 50840984, 62466209, 82616599, 124932418, 165233198, 197008813, 249864836, 330466396, 394017626, 499729672, 660932792, 788035252, 1576070504, 2561114569, 5122229138, 10244458276, 20488916552]

約数ペア:

[(1, 20488916552), (2, 10244458276), (4, 5122229138), (8, 2561114569), (13, 1576070504), (26, 788035252), (31, 660932792), (41, 499729672), (52, 394017626), (62, 330466396), (82, 249864836), (104, 197008813), (124, 165233198), (164, 124932418), (248, 82616599), (328, 62466209), (403, 50840984), (533, 38440744), (806, 25420492), (1066, 19220372), (1271, 16120312), (1612, 12710246), (2132, 9610186), (2542, 8060156), (3224, 6355123), (4264, 4805093), (5084, 4030078), (10168, 2015039), (16523, 1240024), (33046, 620012), (66092, 310006), (132184, 155003)]