20163940722

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1371137}}^1$

素因数の和:1371207

約数の個数: 48

約数和(自身を含む): 47057456160

約数和(自身を除く): 26893515438

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 774, 817, 1634, 2451, 4902, 7353, 14706, 1371137, 2742274, 4113411, 8226822, 12340233, 24680466, 26051603, 52103206, 58958891, 78154809, 117917782, 156309618, 176876673, 234464427, 353753346, 468928854, 530630019, 1061260038, 1120218929, 2240437858, 3360656787, 6721313574, 10081970361, 20163940722]

約数ペア:

[(1, 20163940722), (2, 10081970361), (3, 6721313574), (6, 3360656787), (9, 2240437858), (18, 1120218929), (19, 1061260038), (38, 530630019), (43, 468928854), (57, 353753346), (86, 234464427), (114, 176876673), (129, 156309618), (171, 117917782), (258, 78154809), (342, 58958891), (387, 52103206), (774, 26051603), (817, 24680466), (1634, 12340233), (2451, 8226822), (4902, 4113411), (7353, 2742274), (14706, 1371137)]