20199803785

素因数分解:

$5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{20011}}^1$

素因数の和:20365

約数の個数: 32

約数和(自身を含む): 28033449984

約数和(自身を除く): 7833646199

約数列:

[1, 5, 7, 35, 151, 191, 755, 955, 1057, 1337, 5285, 6685, 20011, 28841, 100055, 140077, 144205, 201887, 700385, 1009435, 3021661, 3822101, 15108305, 19110505, 21151627, 26754707, 105758135, 133773535, 577137251, 2885686255, 4039960757, 20199803785]

約数ペア:

[(1, 20199803785), (5, 4039960757), (7, 2885686255), (35, 577137251), (151, 133773535), (191, 105758135), (755, 26754707), (955, 21151627), (1057, 19110505), (1337, 15108305), (5285, 3822101), (6685, 3021661), (20011, 1009435), (28841, 700385), (100055, 201887), (140077, 144205)]