20014785

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 41881320

約数和(自身を除く): 21866535

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 49, 63, 87, 105, 145, 147, 203, 245, 261, 313, 315, 435, 441, 609, 735, 939, 1015, 1305, 1421, 1565, 1827, 2191, 2205, 2817, 3045, 4263, 4695, 6573, 7105, 9077, 9135, 10955, 12789, 14085, 15337, 19719, 21315, 27231, 32865, 45385, 46011, 63539, 63945, 76685, 81693, 98595, 136155, 138033, 190617, 230055, 317695, 408465, 444773, 571851, 690165, 953085, 1334319, 2223865, 2859255, 4002957, 6671595, 20014785]

約数ペア:

[(1, 20014785), (3, 6671595), (5, 4002957), (7, 2859255), (9, 2223865), (15, 1334319), (21, 953085), (29, 690165), (35, 571851), (45, 444773), (49, 408465), (63, 317695), (87, 230055), (105, 190617), (145, 138033), (147, 136155), (203, 98595), (245, 81693), (261, 76685), (313, 63945), (315, 63539), (435, 46011), (441, 45385), (609, 32865), (735, 27231), (939, 21315), (1015, 19719), (1305, 15337), (1421, 14085), (1565, 12789), (1827, 10955), (2191, 9135), (2205, 9077), (2817, 7105), (3045, 6573), (4263, 4695)]