206818420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{544259}}^1$

素因数の和:544287

約数の個数: 24

約数和(自身を含む): 457178400

約数和(自身を除く): 250359980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 544259, 1088518, 2177036, 2721295, 5442590, 10340921, 10885180, 20681842, 41363684, 51704605, 103409210, 206818420]

約数ペア:

[(1, 206818420), (2, 103409210), (4, 51704605), (5, 41363684), (10, 20681842), (19, 10885180), (20, 10340921), (38, 5442590), (76, 2721295), (95, 2177036), (190, 1088518), (380, 544259)]