20516992

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{1801}}^1$

素因数の和:1904

約数の個数: 32

約数和(自身を含む): 41355900

約数和(自身を除く): 20838908

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 1424, 1801, 2848, 3602, 5696, 7204, 11392, 14408, 28816, 57632, 115264, 160289, 230528, 320578, 641156, 1282312, 2564624, 5129248, 10258496, 20516992]

約数ペア:

[(1, 20516992), (2, 10258496), (4, 5129248), (8, 2564624), (16, 1282312), (32, 641156), (64, 320578), (89, 230528), (128, 160289), (178, 115264), (356, 57632), (712, 28816), (1424, 14408), (1801, 11392), (2848, 7204), (3602, 5696)]