20219219216

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1656227}}^1$

素因数の和:1656351

約数の個数: 40

約数和(自身を含む): 45181899840

約数和(自身を除く): 24962680624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1744, 3052, 6104, 12208, 1656227, 3312454, 6624908, 11593589, 13249816, 23187178, 26499632, 46374356, 92748712, 180528743, 185497424, 361057486, 722114972, 1263701201, 1444229944, 2527402402, 2888459888, 5054804804, 10109609608, 20219219216]

約数ペア:

[(1, 20219219216), (2, 10109609608), (4, 5054804804), (7, 2888459888), (8, 2527402402), (14, 1444229944), (16, 1263701201), (28, 722114972), (56, 361057486), (109, 185497424), (112, 180528743), (218, 92748712), (436, 46374356), (763, 26499632), (872, 23187178), (1526, 13249816), (1744, 11593589), (3052, 6624908), (6104, 3312454), (12208, 1656227)]