20185181290

素因数分解:

$2^1\times 5^1\times {\mathrm{127973}}^1\times {\mathrm{15773}}^1$

素因数の和:143753

約数の個数: 16

約数和(自身を含む): 36335913768

約数和(自身を除く): 16150732478

約数列:

[1, 2, 5, 10, 15773, 31546, 78865, 127973, 157730, 255946, 639865, 1279730, 2018518129, 4037036258, 10092590645, 20185181290]

約数ペア:

[(1, 20185181290), (2, 10092590645), (5, 4037036258), (10, 2018518129), (15773, 1279730), (31546, 639865), (78865, 255946), (127973, 157730)]