20189970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11807}}^1$

素因数の和:11839

約数の個数: 48

約数和(自身を含む): 55261440

約数和(自身を除く): 35071470

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, 11807, 23614, 35421, 59035, 70842, 106263, 118070, 177105, 212526, 224333, 354210, 448666, 531315, 672999, 1062630, 1121665, 1345998, 2018997, 2243330, 3364995, 4037994, 6729990, 10094985, 20189970]

約数ペア:

[(1, 20189970), (2, 10094985), (3, 6729990), (5, 4037994), (6, 3364995), (9, 2243330), (10, 2018997), (15, 1345998), (18, 1121665), (19, 1062630), (30, 672999), (38, 531315), (45, 448666), (57, 354210), (90, 224333), (95, 212526), (114, 177105), (171, 118070), (190, 106263), (285, 70842), (342, 59035), (570, 35421), (855, 23614), (1710, 11807)]