20447250052005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{67546207}}^1$

素因数の和:67546287

約数の個数: 72

約数和(自身を含む): 41853791955456

約数和(自身を除く): 21406541903451

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 961, 1085, 1395, 1953, 2883, 3255, 4805, 6727, 8649, 9765, 14415, 20181, 33635, 43245, 60543, 100905, 302715, 67546207, 202638621, 337731035, 472823449, 607915863, 1013193105, 1418470347, 2093932417, 2364117245, 3039579315, 4255411041, 6281797251, 7092351735, 10469662085, 14657526919, 18845391753, 21277055205, 31408986255, 43972580757, 64911904927, 73287634595, 94226958765, 131917742271, 194735714781, 219862903785, 324559524635, 454383334489, 584207144343, 659588711355, 973678573905, 1363150003467, 2271916672445, 2921035721715, 4089450010401, 6815750017335, 20447250052005]

約数ペア:

[(1, 20447250052005), (3, 6815750017335), (5, 4089450010401), (7, 2921035721715), (9, 2271916672445), (15, 1363150003467), (21, 973678573905), (31, 659588711355), (35, 584207144343), (45, 454383334489), (63, 324559524635), (93, 219862903785), (105, 194735714781), (155, 131917742271), (217, 94226958765), (279, 73287634595), (315, 64911904927), (465, 43972580757), (651, 31408986255), (961, 21277055205), (1085, 18845391753), (1395, 14657526919), (1953, 10469662085), (2883, 7092351735), (3255, 6281797251), (4805, 4255411041), (6727, 3039579315), (8649, 2364117245), (9765, 2093932417), (14415, 1418470347), (20181, 1013193105), (33635, 607915863), (43245, 472823449), (60543, 337731035), (100905, 202638621), (302715, 67546207)]