20193485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 27941760

約数和(自身を除く): 7748275

約数列:

[1, 5, 13, 19, 65, 83, 95, 197, 247, 415, 985, 1079, 1235, 1577, 2561, 3743, 5395, 7885, 12805, 16351, 18715, 20501, 48659, 81755, 102505, 212563, 243295, 310669, 1062815, 1553345, 4038697, 20193485]

約数ペア:

[(1, 20193485), (5, 4038697), (13, 1553345), (19, 1062815), (65, 310669), (83, 243295), (95, 212563), (197, 102505), (247, 81755), (415, 48659), (985, 20501), (1079, 18715), (1235, 16351), (1577, 12805), (2561, 7885), (3743, 5395)]