20146240

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:575

約数の個数: 56

約数和(自身を含む): 48399192

約数和(自身を除く): 28252952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 401, 628, 785, 802, 1256, 1570, 1604, 2005, 2512, 3140, 3208, 4010, 5024, 6280, 6416, 8020, 10048, 12560, 12832, 16040, 25120, 25664, 32080, 50240, 62957, 64160, 125914, 128320, 251828, 314785, 503656, 629570, 1007312, 1259140, 2014624, 2518280, 4029248, 5036560, 10073120, 20146240]

約数ペア:

[(1, 20146240), (2, 10073120), (4, 5036560), (5, 4029248), (8, 2518280), (10, 2014624), (16, 1259140), (20, 1007312), (32, 629570), (40, 503656), (64, 314785), (80, 251828), (157, 128320), (160, 125914), (314, 64160), (320, 62957), (401, 50240), (628, 32080), (785, 25664), (802, 25120), (1256, 16040), (1570, 12832), (1604, 12560), (2005, 10048), (2512, 8020), (3140, 6416), (3208, 6280), (4010, 5024)]