201245420

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{15269}}^1$

素因数の和:15937

約数の個数: 24

約数和(自身を含む): 423284400

約数和(自身を除く): 222038980

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3295, 6590, 13180, 15269, 30538, 61076, 76345, 152690, 305380, 10062271, 20124542, 40249084, 50311355, 100622710, 201245420]

約数ペア:

[(1, 201245420), (2, 100622710), (4, 50311355), (5, 40249084), (10, 20124542), (20, 10062271), (659, 305380), (1318, 152690), (2636, 76345), (3295, 61076), (6590, 30538), (13180, 15269)]