20166418468

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{540307}}^1$

素因数の和:540392

約数の個数: 48

約数和(自身を含む): 42602205184

約数和(自身を除く): 22435786716

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 62, 86, 124, 172, 217, 301, 434, 602, 868, 1204, 1333, 2666, 5332, 9331, 18662, 37324, 540307, 1080614, 2161228, 3782149, 7564298, 15128596, 16749517, 23233201, 33499034, 46466402, 66998068, 92932804, 117246619, 162632407, 234493238, 325264814, 468986476, 650529628, 720229231, 1440458462, 2880916924, 5041604617, 10083209234, 20166418468]

約数ペア:

[(1, 20166418468), (2, 10083209234), (4, 5041604617), (7, 2880916924), (14, 1440458462), (28, 720229231), (31, 650529628), (43, 468986476), (62, 325264814), (86, 234493238), (124, 162632407), (172, 117246619), (217, 92932804), (301, 66998068), (434, 46466402), (602, 33499034), (868, 23233201), (1204, 16749517), (1333, 15128596), (2666, 7564298), (5332, 3782149), (9331, 2161228), (18662, 1080614), (37324, 540307)]