20551218

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 42024960

約数和(自身を除く): 21473742

約数列:

[1, 2, 3, 6, 79, 158, 191, 227, 237, 382, 454, 474, 573, 681, 1146, 1362, 15089, 17933, 30178, 35866, 43357, 45267, 53799, 86714, 90534, 107598, 130071, 260142, 3425203, 6850406, 10275609, 20551218]

約数ペア:

[(1, 20551218), (2, 10275609), (3, 6850406), (6, 3425203), (79, 260142), (158, 130071), (191, 107598), (227, 90534), (237, 86714), (382, 53799), (454, 45267), (474, 43357), (573, 35866), (681, 30178), (1146, 17933), (1362, 15089)]