20638758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{2039}}^1$

素因数の和:2292

約数の個数: 32

約数和(自身を含む): 47393280

約数和(自身を除く): 26754522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 241, 482, 723, 1446, 1687, 2039, 3374, 4078, 5061, 6117, 10122, 12234, 14273, 28546, 42819, 85638, 491399, 982798, 1474197, 2948394, 3439793, 6879586, 10319379, 20638758]

約数ペア:

[(1, 20638758), (2, 10319379), (3, 6879586), (6, 3439793), (7, 2948394), (14, 1474197), (21, 982798), (42, 491399), (241, 85638), (482, 42819), (723, 28546), (1446, 14273), (1687, 12234), (2039, 10122), (3374, 6117), (4078, 5061)]