20173684275

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{499}}^1\times {\mathrm{3823}}^1$

素因数の和:4385

約数の個数: 72

約数和(自身を含む): 36985728000

約数和(自身を除く): 16812043725

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 499, 705, 1175, 1497, 2115, 2495, 3525, 3823, 4491, 7485, 10575, 11469, 12475, 19115, 22455, 23453, 34407, 37425, 57345, 70359, 95575, 112275, 117265, 172035, 179681, 211077, 286725, 351795, 539043, 586325, 860175, 898405, 1055385, 1617129, 1758975, 1907677, 2695215, 4492025, 5276925, 5723031, 8085645, 9538385, 13476075, 17169093, 28615155, 40428225, 47691925, 85845465, 89660819, 143075775, 268982457, 429227325, 448304095, 806947371, 1344912285, 2241520475, 4034736855, 6724561425, 20173684275]

約数ペア:

[(1, 20173684275), (3, 6724561425), (5, 4034736855), (9, 2241520475), (15, 1344912285), (25, 806947371), (45, 448304095), (47, 429227325), (75, 268982457), (141, 143075775), (225, 89660819), (235, 85845465), (423, 47691925), (499, 40428225), (705, 28615155), (1175, 17169093), (1497, 13476075), (2115, 9538385), (2495, 8085645), (3525, 5723031), (3823, 5276925), (4491, 4492025), (7485, 2695215), (10575, 1907677), (11469, 1758975), (12475, 1617129), (19115, 1055385), (22455, 898405), (23453, 860175), (34407, 586325), (37425, 539043), (57345, 351795), (70359, 286725), (95575, 211077), (112275, 179681), (117265, 172035)]