2017688820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4804021}}^1$

素因数の和:4804040

約数の個数: 48

約数和(自身を含む): 6456605568

約数和(自身を除く): 4438916748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4804021, 9608042, 14412063, 19216084, 24020105, 28824126, 33628147, 48040210, 57648252, 67256294, 72060315, 96080420, 100884441, 134512588, 144120630, 168140735, 201768882, 288241260, 336281470, 403537764, 504422205, 672562940, 1008844410, 2017688820]

約数ペア:

[(1, 2017688820), (2, 1008844410), (3, 672562940), (4, 504422205), (5, 403537764), (6, 336281470), (7, 288241260), (10, 201768882), (12, 168140735), (14, 144120630), (15, 134512588), (20, 100884441), (21, 96080420), (28, 72060315), (30, 67256294), (35, 57648252), (42, 48040210), (60, 33628147), (70, 28824126), (84, 24020105), (105, 19216084), (140, 14412063), (210, 9608042), (420, 4804021)]