20442520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73009}}^1$

素因数の和:73027

約数の個数: 32

約数和(自身を含む): 52567200

約数和(自身を除く): 32124680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73009, 146018, 292036, 365045, 511063, 584072, 730090, 1022126, 1460180, 2044252, 2555315, 2920360, 4088504, 5110630, 10221260, 20442520]

約数ペア:

[(1, 20442520), (2, 10221260), (4, 5110630), (5, 4088504), (7, 2920360), (8, 2555315), (10, 2044252), (14, 1460180), (20, 1022126), (28, 730090), (35, 584072), (40, 511063), (56, 365045), (70, 292036), (140, 146018), (280, 73009)]