20609960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73607}}^1$

素因数の和:73625

約数の個数: 32

約数和(自身を含む): 52997760

約数和(自身を除く): 32387800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73607, 147214, 294428, 368035, 515249, 588856, 736070, 1030498, 1472140, 2060996, 2576245, 2944280, 4121992, 5152490, 10304980, 20609960]

約数ペア:

[(1, 20609960), (2, 10304980), (4, 5152490), (5, 4121992), (7, 2944280), (8, 2576245), (10, 2060996), (14, 1472140), (20, 1030498), (28, 736070), (35, 588856), (40, 515249), (56, 368035), (70, 294428), (140, 147214), (280, 73607)]