20304015

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 13184625

約数列:

[1, 3, 5, 15, 67, 89, 201, 227, 267, 335, 445, 681, 1005, 1135, 1335, 3405, 5963, 15209, 17889, 20203, 29815, 45627, 60609, 76045, 89445, 101015, 228135, 303045, 1353601, 4060803, 6768005, 20304015]

約数ペア:

[(1, 20304015), (3, 6768005), (5, 4060803), (15, 1353601), (67, 303045), (89, 228135), (201, 101015), (227, 89445), (267, 76045), (335, 60609), (445, 45627), (681, 29815), (1005, 20203), (1135, 17889), (1335, 15209), (3405, 5963)]