20504820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48821}}^1$

素因数の和:48840

約数の個数: 48

約数和(自身を含む): 65616768

約数和(自身を除く): 45111948

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, 48821, 97642, 146463, 195284, 244105, 292926, 341747, 488210, 585852, 683494, 732315, 976420, 1025241, 1366988, 1464630, 1708735, 2050482, 2929260, 3417470, 4100964, 5126205, 6834940, 10252410, 20504820]

約数ペア:

[(1, 20504820), (2, 10252410), (3, 6834940), (4, 5126205), (5, 4100964), (6, 3417470), (7, 2929260), (10, 2050482), (12, 1708735), (14, 1464630), (15, 1366988), (20, 1025241), (21, 976420), (28, 732315), (30, 683494), (35, 585852), (42, 488210), (60, 341747), (70, 292926), (84, 244105), (105, 195284), (140, 146463), (210, 97642), (420, 48821)]