20384130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52267}}^1$

素因数の和:52290

約数の個数: 32

約数和(自身を含む): 52686144

約数和(自身を除く): 32302014

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52267, 104534, 156801, 261335, 313602, 522670, 679471, 784005, 1358942, 1568010, 2038413, 3397355, 4076826, 6794710, 10192065, 20384130]

約数ペア:

[(1, 20384130), (2, 10192065), (3, 6794710), (5, 4076826), (6, 3397355), (10, 2038413), (13, 1568010), (15, 1358942), (26, 784005), (30, 679471), (39, 522670), (65, 313602), (78, 261335), (130, 156801), (195, 104534), (390, 52267)]