20573288

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 39584160

約数和(自身を除く): 19010872

約数列:

[1, 2, 4, 8, 67, 131, 134, 262, 268, 293, 524, 536, 586, 1048, 1172, 2344, 8777, 17554, 19631, 35108, 38383, 39262, 70216, 76766, 78524, 153532, 157048, 307064, 2571661, 5143322, 10286644, 20573288]

約数ペア:

[(1, 20573288), (2, 10286644), (4, 5143322), (8, 2571661), (67, 307064), (131, 157048), (134, 153532), (262, 78524), (268, 76766), (293, 70216), (524, 39262), (536, 38383), (586, 35108), (1048, 19631), (1172, 17554), (2344, 8777)]