20436830

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33503}}^1$

素因数の和:33571

約数の個数: 16

約数和(自身を含む): 37390464

約数和(自身を除く): 16953634

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 33503, 67006, 167515, 335030, 2043683, 4087366, 10218415, 20436830]

約数ペア:

[(1, 20436830), (2, 10218415), (5, 4087366), (10, 2043683), (61, 335030), (122, 167515), (305, 67006), (610, 33503)]