20179248315

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{47251}}^1$

素因数の和:47731

約数の個数: 32

約数和(自身を含む): 32823885312

約数和(自身を除く): 12644636997

約数列:

[1, 3, 5, 15, 71, 213, 355, 401, 1065, 1203, 2005, 6015, 28471, 47251, 85413, 141753, 142355, 236255, 427065, 708765, 3354821, 10064463, 16774105, 18947651, 50322315, 56842953, 94738255, 284214765, 1345283221, 4035849663, 6726416105, 20179248315]

約数ペア:

[(1, 20179248315), (3, 6726416105), (5, 4035849663), (15, 1345283221), (71, 284214765), (213, 94738255), (355, 56842953), (401, 50322315), (1065, 18947651), (1203, 16774105), (2005, 10064463), (6015, 3354821), (28471, 708765), (47251, 427065), (85413, 236255), (141753, 142355)]