20199041284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{683231}}^1$

素因数の和:683643

約数の個数: 24

約数和(自身を含む): 37304467200

約数和(自身を除く): 17105425916

約数列:

[1, 2, 4, 19, 38, 76, 389, 778, 1556, 7391, 14782, 29564, 683231, 1366462, 2732924, 12981389, 25962778, 51925556, 265776859, 531553718, 1063107436, 5049760321, 10099520642, 20199041284]

約数ペア:

[(1, 20199041284), (2, 10099520642), (4, 5049760321), (19, 1063107436), (38, 531553718), (76, 265776859), (389, 51925556), (778, 25962778), (1556, 12981389), (7391, 2732924), (14782, 1366462), (29564, 683231)]