20069820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2593}}^1$

素因数の和:2651

約数の個数: 72

約数和(自身を含む): 62318256

約数和(自身を除く): 42248436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 2593, 3870, 5186, 7740, 7779, 10372, 12965, 15558, 23337, 25930, 31116, 38895, 46674, 51860, 77790, 93348, 111499, 116685, 155580, 222998, 233370, 334497, 445996, 466740, 557495, 668994, 1003491, 1114990, 1337988, 1672485, 2006982, 2229980, 3344970, 4013964, 5017455, 6689940, 10034910, 20069820]

約数ペア:

[(1, 20069820), (2, 10034910), (3, 6689940), (4, 5017455), (5, 4013964), (6, 3344970), (9, 2229980), (10, 2006982), (12, 1672485), (15, 1337988), (18, 1114990), (20, 1003491), (30, 668994), (36, 557495), (43, 466740), (45, 445996), (60, 334497), (86, 233370), (90, 222998), (129, 155580), (172, 116685), (180, 111499), (215, 93348), (258, 77790), (387, 51860), (430, 46674), (516, 38895), (645, 31116), (774, 25930), (860, 23337), (1290, 15558), (1548, 12965), (1935, 10372), (2580, 7779), (2593, 7740), (3870, 5186)]