20502045

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7993}}^1$

素因数の和:8026

約数の個数: 32

約数和(自身を含む): 38371200

約数和(自身を除く): 17869155

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7993, 23979, 39965, 71937, 119895, 151867, 215811, 359685, 455601, 759335, 1079055, 1366803, 2278005, 4100409, 6834015, 20502045]

約数ペア:

[(1, 20502045), (3, 6834015), (5, 4100409), (9, 2278005), (15, 1366803), (19, 1079055), (27, 759335), (45, 455601), (57, 359685), (95, 215811), (135, 151867), (171, 119895), (285, 71937), (513, 39965), (855, 23979), (2565, 7993)]