20648810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22691}}^1$

素因数の和:22718

約数の個数: 32

約数和(自身を含む): 45747072

約数和(自身を除く): 25098262

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22691, 45382, 113455, 158837, 226910, 294983, 317674, 589966, 794185, 1474915, 1588370, 2064881, 2949830, 4129762, 10324405, 20648810]

約数ペア:

[(1, 20648810), (2, 10324405), (5, 4129762), (7, 2949830), (10, 2064881), (13, 1588370), (14, 1474915), (26, 794185), (35, 589966), (65, 317674), (70, 294983), (91, 226910), (130, 158837), (182, 113455), (455, 45382), (910, 22691)]