20276420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53359}}^1$

素因数の和:53387

約数の個数: 24

約数和(自身を含む): 44822400

約数和(自身を除く): 24545980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53359, 106718, 213436, 266795, 533590, 1013821, 1067180, 2027642, 4055284, 5069105, 10138210, 20276420]

約数ペア:

[(1, 20276420), (2, 10138210), (4, 5069105), (5, 4055284), (10, 2027642), (19, 1067180), (20, 1013821), (38, 533590), (76, 266795), (95, 213436), (190, 106718), (380, 53359)]