20673710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2053}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 39929760

約数和(自身を除く): 19256050

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 530, 1007, 2014, 2053, 4106, 5035, 10070, 10265, 20530, 39007, 78014, 108809, 195035, 217618, 390070, 544045, 1088090, 2067371, 4134742, 10336855, 20673710]

約数ペア:

[(1, 20673710), (2, 10336855), (5, 4134742), (10, 2067371), (19, 1088090), (38, 544045), (53, 390070), (95, 217618), (106, 195035), (190, 108809), (265, 78014), (530, 39007), (1007, 20530), (2014, 10265), (2053, 10070), (4106, 5035)]