20293020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 69215328

約数和(自身を除く): 48922308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 37, 44, 45, 55, 60, 66, 74, 90, 99, 110, 111, 132, 148, 165, 180, 185, 198, 220, 222, 277, 330, 333, 370, 396, 407, 444, 495, 554, 555, 660, 666, 740, 814, 831, 990, 1108, 1110, 1221, 1332, 1385, 1628, 1662, 1665, 1980, 2035, 2220, 2442, 2493, 2770, 3047, 3324, 3330, 3663, 4070, 4155, 4884, 4986, 5540, 6094, 6105, 6660, 7326, 8140, 8310, 9141, 9972, 10249, 12188, 12210, 12465, 14652, 15235, 16620, 18282, 18315, 20498, 24420, 24930, 27423, 30470, 30747, 36564, 36630, 40996, 45705, 49860, 51245, 54846, 60940, 61494, 73260, 91410, 92241, 102490, 109692, 112739, 122988, 137115, 153735, 182820, 184482, 204980, 225478, 274230, 307470, 338217, 368964, 450956, 461205, 548460, 563695, 614940, 676434, 922410, 1014651, 1127390, 1352868, 1691085, 1844820, 2029302, 2254780, 3382170, 4058604, 5073255, 6764340, 10146510, 20293020]

約数ペア:

[(1, 20293020), (2, 10146510), (3, 6764340), (4, 5073255), (5, 4058604), (6, 3382170), (9, 2254780), (10, 2029302), (11, 1844820), (12, 1691085), (15, 1352868), (18, 1127390), (20, 1014651), (22, 922410), (30, 676434), (33, 614940), (36, 563695), (37, 548460), (44, 461205), (45, 450956), (55, 368964), (60, 338217), (66, 307470), (74, 274230), (90, 225478), (99, 204980), (110, 184482), (111, 182820), (132, 153735), (148, 137115), (165, 122988), (180, 112739), (185, 109692), (198, 102490), (220, 92241), (222, 91410), (277, 73260), (330, 61494), (333, 60940), (370, 54846), (396, 51245), (407, 49860), (444, 45705), (495, 40996), (554, 36630), (555, 36564), (660, 30747), (666, 30470), (740, 27423), (814, 24930), (831, 24420), (990, 20498), (1108, 18315), (1110, 18282), (1221, 16620), (1332, 15235), (1385, 14652), (1628, 12465), (1662, 12210), (1665, 12188), (1980, 10249), (2035, 9972), (2220, 9141), (2442, 8310), (2493, 8140), (2770, 7326), (3047, 6660), (3324, 6105), (3330, 6094), (3663, 5540), (4070, 4986), (4155, 4884)]