20312085

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 33569280

約数和(自身を除く): 13257195

約数列:

[1, 3, 5, 15, 61, 79, 183, 237, 281, 305, 395, 843, 915, 1185, 1405, 4215, 4819, 14457, 17141, 22199, 24095, 51423, 66597, 72285, 85705, 110995, 257115, 332985, 1354139, 4062417, 6770695, 20312085]

約数ペア:

[(1, 20312085), (3, 6770695), (5, 4062417), (15, 1354139), (61, 332985), (79, 257115), (183, 110995), (237, 85705), (281, 72285), (305, 66597), (395, 51423), (843, 24095), (915, 22199), (1185, 17141), (1405, 14457), (4215, 4819)]