20247325

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 30533760

約数和(自身を除く): 10286435

約数列:

[1, 5, 7, 25, 35, 37, 53, 59, 175, 185, 259, 265, 295, 371, 413, 925, 1295, 1325, 1475, 1855, 1961, 2065, 2183, 3127, 6475, 9275, 9805, 10325, 10915, 13727, 15281, 15635, 21889, 49025, 54575, 68635, 76405, 78175, 109445, 115699, 343175, 382025, 547225, 578495, 809893, 2892475, 4049465, 20247325]

約数ペア:

[(1, 20247325), (5, 4049465), (7, 2892475), (25, 809893), (35, 578495), (37, 547225), (53, 382025), (59, 343175), (175, 115699), (185, 109445), (259, 78175), (265, 76405), (295, 68635), (371, 54575), (413, 49025), (925, 21889), (1295, 15635), (1325, 15281), (1475, 13727), (1855, 10915), (1961, 10325), (2065, 9805), (2183, 9275), (3127, 6475)]