20158740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5333}}^1$

素因数の和:5358

約数の個数: 96

約数和(自身を含む): 71688960

約数和(自身を除く): 51530220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5333, 10666, 15999, 21332, 26665, 31998, 37331, 47997, 53330, 63996, 74662, 79995, 95994, 106660, 111993, 143991, 149324, 159990, 186655, 191988, 223986, 239985, 287982, 319980, 335979, 373310, 447972, 479970, 559965, 575964, 671958, 719955, 746620, 959940, 1007937, 1119930, 1343916, 1439910, 1679895, 2015874, 2239860, 2879820, 3359790, 4031748, 5039685, 6719580, 10079370, 20158740]

約数ペア:

[(1, 20158740), (2, 10079370), (3, 6719580), (4, 5039685), (5, 4031748), (6, 3359790), (7, 2879820), (9, 2239860), (10, 2015874), (12, 1679895), (14, 1439910), (15, 1343916), (18, 1119930), (20, 1007937), (21, 959940), (27, 746620), (28, 719955), (30, 671958), (35, 575964), (36, 559965), (42, 479970), (45, 447972), (54, 373310), (60, 335979), (63, 319980), (70, 287982), (84, 239985), (90, 223986), (105, 191988), (108, 186655), (126, 159990), (135, 149324), (140, 143991), (180, 111993), (189, 106660), (210, 95994), (252, 79995), (270, 74662), (315, 63996), (378, 53330), (420, 47997), (540, 37331), (630, 31998), (756, 26665), (945, 21332), (1260, 15999), (1890, 10666), (3780, 5333)]