20687070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18637}}^1$

素因数の和:18684

約数の個数: 32

約数和(自身を含む): 50993568

約数和(自身を除く): 30306498

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18637, 37274, 55911, 93185, 111822, 186370, 279555, 559110, 689569, 1379138, 2068707, 3447845, 4137414, 6895690, 10343535, 20687070]

約数ペア:

[(1, 20687070), (2, 10343535), (3, 6895690), (5, 4137414), (6, 3447845), (10, 2068707), (15, 1379138), (30, 689569), (37, 559110), (74, 279555), (111, 186370), (185, 111822), (222, 93185), (370, 55911), (555, 37274), (1110, 18637)]