20194530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:599

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 31645470

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 71, 95, 114, 142, 190, 213, 285, 355, 426, 499, 570, 710, 998, 1065, 1349, 1497, 2130, 2495, 2698, 2994, 4047, 4990, 6745, 7485, 8094, 9481, 13490, 14970, 18962, 20235, 28443, 35429, 40470, 47405, 56886, 70858, 94810, 106287, 142215, 177145, 212574, 284430, 354290, 531435, 673151, 1062870, 1346302, 2019453, 3365755, 4038906, 6731510, 10097265, 20194530]

約数ペア:

[(1, 20194530), (2, 10097265), (3, 6731510), (5, 4038906), (6, 3365755), (10, 2019453), (15, 1346302), (19, 1062870), (30, 673151), (38, 531435), (57, 354290), (71, 284430), (95, 212574), (114, 177145), (142, 142215), (190, 106287), (213, 94810), (285, 70858), (355, 56886), (426, 47405), (499, 40470), (570, 35429), (710, 28443), (998, 20235), (1065, 18962), (1349, 14970), (1497, 13490), (2130, 9481), (2495, 8094), (2698, 7485), (2994, 6745), (4047, 4990)]