20122079984

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{143287}}^1$

素因数の和:143493

約数の個数: 40

約数和(自身を含む): 39870745728

約数和(自身を除く): 19748665744

約数列:

[1, 2, 4, 8, 16, 67, 131, 134, 262, 268, 524, 536, 1048, 1072, 2096, 8777, 17554, 35108, 70216, 140432, 143287, 286574, 573148, 1146296, 2292592, 9600229, 18770597, 19200458, 37541194, 38400916, 75082388, 76801832, 150164776, 153603664, 300329552, 1257629999, 2515259998, 5030519996, 10061039992, 20122079984]

約数ペア:

[(1, 20122079984), (2, 10061039992), (4, 5030519996), (8, 2515259998), (16, 1257629999), (67, 300329552), (131, 153603664), (134, 150164776), (262, 76801832), (268, 75082388), (524, 38400916), (536, 37541194), (1048, 19200458), (1072, 18770597), (2096, 9600229), (8777, 2292592), (17554, 1146296), (35108, 573148), (70216, 286574), (140432, 143287)]