20457664

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{18803}}^1$

素因数の和:18832

約数の個数: 28

約数和(自身を含む): 42985944

約数和(自身を除く): 22528280

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 18803, 37606, 75212, 150424, 300848, 319651, 601696, 639302, 1203392, 1278604, 2557208, 5114416, 10228832, 20457664]

約数ペア:

[(1, 20457664), (2, 10228832), (4, 5114416), (8, 2557208), (16, 1278604), (17, 1203392), (32, 639302), (34, 601696), (64, 319651), (68, 300848), (136, 150424), (272, 75212), (544, 37606), (1088, 18803)]