20185787646

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{442031}}^1$

素因数の和:442141

約数の個数: 48

約数和(自身を含む): 45511614720

約数和(自身を除く): 25325827074

約数列:

[1, 2, 3, 6, 9, 18, 43, 59, 86, 118, 129, 177, 258, 354, 387, 531, 774, 1062, 2537, 5074, 7611, 15222, 22833, 45666, 442031, 884062, 1326093, 2652186, 3978279, 7956558, 19007333, 26079829, 38014666, 52159658, 57021999, 78239487, 114043998, 156478974, 171065997, 234718461, 342131994, 469436922, 1121432647, 2242865294, 3364297941, 6728595882, 10092893823, 20185787646]

約数ペア:

[(1, 20185787646), (2, 10092893823), (3, 6728595882), (6, 3364297941), (9, 2242865294), (18, 1121432647), (43, 469436922), (59, 342131994), (86, 234718461), (118, 171065997), (129, 156478974), (177, 114043998), (258, 78239487), (354, 57021999), (387, 52159658), (531, 38014666), (774, 26079829), (1062, 19007333), (2537, 7956558), (5074, 3978279), (7611, 2652186), (15222, 1326093), (22833, 884062), (45666, 442031)]