20753966

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 34884000

約数和(自身を除く): 14130034

約数列:

[1, 2, 19, 29, 37, 38, 58, 74, 509, 551, 703, 1018, 1073, 1102, 1406, 2146, 9671, 14761, 18833, 19342, 20387, 29522, 37666, 40774, 280459, 357827, 546157, 560918, 715654, 1092314, 10376983, 20753966]

約数ペア:

[(1, 20753966), (2, 10376983), (19, 1092314), (29, 715654), (37, 560918), (38, 546157), (58, 357827), (74, 280459), (509, 40774), (551, 37666), (703, 29522), (1018, 20387), (1073, 19342), (1102, 18833), (1406, 14761), (2146, 9671)]