20508733445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{136393}}^1$

素因数の和:136505

約数の個数: 32

約数和(自身を含む): 27398826720

約数和(自身を除く): 6890093275

約数列:

[1, 5, 17, 29, 61, 85, 145, 305, 493, 1037, 1769, 2465, 5185, 8845, 30073, 136393, 150365, 681965, 2318681, 3955397, 8319973, 11593405, 19776985, 41599865, 67241749, 141439541, 241279217, 336208745, 707197705, 1206396085, 4101746689, 20508733445]

約数ペア:

[(1, 20508733445), (5, 4101746689), (17, 1206396085), (29, 707197705), (61, 336208745), (85, 241279217), (145, 141439541), (305, 67241749), (493, 41599865), (1037, 19776985), (1769, 11593405), (2465, 8319973), (5185, 3955397), (8845, 2318681), (30073, 681965), (136393, 150365)]