20488566

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 48033216

約数和(自身を除く): 27544650

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 227, 294, 307, 454, 614, 681, 921, 1362, 1589, 1842, 2149, 3178, 4298, 4767, 6447, 9534, 11123, 12894, 15043, 22246, 30086, 33369, 45129, 66738, 69689, 90258, 139378, 209067, 418134, 487823, 975646, 1463469, 2926938, 3414761, 6829522, 10244283, 20488566]

約数ペア:

[(1, 20488566), (2, 10244283), (3, 6829522), (6, 3414761), (7, 2926938), (14, 1463469), (21, 975646), (42, 487823), (49, 418134), (98, 209067), (147, 139378), (227, 90258), (294, 69689), (307, 66738), (454, 45129), (614, 33369), (681, 30086), (921, 22246), (1362, 15043), (1589, 12894), (1842, 11123), (2149, 9534), (3178, 6447), (4298, 4767)]