100020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1667}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 280224

約数和(自身を除く): 180204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1667, 3334, 5001, 6668, 8335, 10002, 16670, 20004, 25005, 33340, 50010, 100020]

約数ペア:

[(1, 100020), (2, 50010), (3, 33340), (4, 25005), (5, 20004), (6, 16670), (10, 10002), (12, 8335), (15, 6668), (20, 5001), (30, 3334), (60, 1667)]