201520210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{19433}}^1$

素因数の和:19518

約数の個数: 32

約数和(自身を含む): 390390192

約数和(自身を除く): 188869982

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 2074, 5185, 10370, 19433, 38866, 97165, 194330, 330361, 660722, 1185413, 1651805, 2370826, 3303610, 5927065, 11854130, 20152021, 40304042, 100760105, 201520210]

約数ペア:

[(1, 201520210), (2, 100760105), (5, 40304042), (10, 20152021), (17, 11854130), (34, 5927065), (61, 3303610), (85, 2370826), (122, 1651805), (170, 1185413), (305, 660722), (610, 330361), (1037, 194330), (2074, 97165), (5185, 38866), (10370, 19433)]