202457980

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{15361}}^1$

素因数の和:16029

約数の個数: 24

約数和(自身を含む): 425834640

約数和(自身を除く): 223376660

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3295, 6590, 13180, 15361, 30722, 61444, 76805, 153610, 307220, 10122899, 20245798, 40491596, 50614495, 101228990, 202457980]

約数ペア:

[(1, 202457980), (2, 101228990), (4, 50614495), (5, 40491596), (10, 20245798), (20, 10122899), (659, 307220), (1318, 153610), (2636, 76805), (3295, 61444), (6590, 30722), (13180, 15361)]