20512019940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{7789}}^1\times {\mathrm{43891}}^1$

素因数の和:51692

約数の個数: 48

約数和(自身を含む): 57442338240

約数和(自身を除く): 36930318300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 7789, 15578, 23367, 31156, 38945, 43891, 46734, 77890, 87782, 93468, 116835, 131673, 155780, 175564, 219455, 233670, 263346, 438910, 467340, 526692, 658365, 877820, 1316730, 2633460, 341866999, 683733998, 1025600997, 1367467996, 1709334995, 2051201994, 3418669990, 4102403988, 5128004985, 6837339980, 10256009970, 20512019940]

約数ペア:

[(1, 20512019940), (2, 10256009970), (3, 6837339980), (4, 5128004985), (5, 4102403988), (6, 3418669990), (10, 2051201994), (12, 1709334995), (15, 1367467996), (20, 1025600997), (30, 683733998), (60, 341866999), (7789, 2633460), (15578, 1316730), (23367, 877820), (31156, 658365), (38945, 526692), (43891, 467340), (46734, 438910), (77890, 263346), (87782, 233670), (93468, 219455), (116835, 175564), (131673, 155780)]