20776020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4877}}^1$

素因数の和:4960

約数の個数: 48

約数和(自身を含む): 59004288

約数和(自身を除く): 38228268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4877, 9754, 14631, 19508, 24385, 29262, 48770, 58524, 73155, 97540, 146310, 292620, 346267, 692534, 1038801, 1385068, 1731335, 2077602, 3462670, 4155204, 5194005, 6925340, 10388010, 20776020]

約数ペア:

[(1, 20776020), (2, 10388010), (3, 6925340), (4, 5194005), (5, 4155204), (6, 3462670), (10, 2077602), (12, 1731335), (15, 1385068), (20, 1038801), (30, 692534), (60, 346267), (71, 292620), (142, 146310), (213, 97540), (284, 73155), (355, 58524), (426, 48770), (710, 29262), (852, 24385), (1065, 19508), (1420, 14631), (2130, 9754), (4260, 4877)]