20171497787

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1\times {\mathrm{3929}}^1$

素因数の和:4427

約数の個数: 32

約数和(自身を含む): 24266649600

約数和(自身を除く): 4095151813

約数列:

[1, 7, 31, 59, 217, 401, 413, 1829, 2807, 3929, 12431, 12803, 23659, 27503, 87017, 121799, 165613, 231811, 733429, 852593, 1575529, 1622677, 5134003, 7186141, 11028703, 48841399, 50302987, 92956211, 341889793, 650693477, 2881642541, 20171497787]

約数ペア:

[(1, 20171497787), (7, 2881642541), (31, 650693477), (59, 341889793), (217, 92956211), (401, 50302987), (413, 48841399), (1829, 11028703), (2807, 7186141), (3929, 5134003), (12431, 1622677), (12803, 1575529), (23659, 852593), (27503, 733429), (87017, 231811), (121799, 165613)]