20159190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11789}}^1$

素因数の和:11821

約数の個数: 48

約数和(自身を含む): 55177200

約数和(自身を除く): 35018010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 11789, 23578, 35367, 58945, 70734, 106101, 117890, 176835, 212202, 223991, 353670, 447982, 530505, 671973, 1061010, 1119955, 1343946, 2015919, 2239910, 3359865, 4031838, 6719730, 10079595, 20159190]

約数ペア:

[(1, 20159190), (2, 10079595), (3, 6719730), (5, 4031838), (6, 3359865), (9, 2239910), (10, 2015919), (15, 1343946), (18, 1119955), (19, 1061010), (30, 671973), (38, 530505), (45, 447982), (57, 353670), (90, 223991), (95, 212202), (114, 176835), (171, 117890), (190, 106101), (285, 70734), (342, 58945), (570, 35367), (855, 23578), (1710, 11789)]