20083770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:540

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 40569030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 71, 90, 105, 126, 142, 210, 213, 315, 355, 426, 449, 497, 630, 639, 710, 898, 994, 1065, 1278, 1347, 1491, 2130, 2245, 2485, 2694, 2982, 3143, 3195, 4041, 4473, 4490, 4970, 6286, 6390, 6735, 7455, 8082, 8946, 9429, 13470, 14910, 15715, 18858, 20205, 22365, 28287, 31430, 31879, 40410, 44730, 47145, 56574, 63758, 94290, 95637, 141435, 159395, 191274, 223153, 282870, 286911, 318790, 446306, 478185, 573822, 669459, 956370, 1115765, 1338918, 1434555, 2008377, 2231530, 2869110, 3347295, 4016754, 6694590, 10041885, 20083770]

約数ペア:

[(1, 20083770), (2, 10041885), (3, 6694590), (5, 4016754), (6, 3347295), (7, 2869110), (9, 2231530), (10, 2008377), (14, 1434555), (15, 1338918), (18, 1115765), (21, 956370), (30, 669459), (35, 573822), (42, 478185), (45, 446306), (63, 318790), (70, 286911), (71, 282870), (90, 223153), (105, 191274), (126, 159395), (142, 141435), (210, 95637), (213, 94290), (315, 63758), (355, 56574), (426, 47145), (449, 44730), (497, 40410), (630, 31879), (639, 31430), (710, 28287), (898, 22365), (994, 20205), (1065, 18858), (1278, 15715), (1347, 14910), (1491, 13470), (2130, 9429), (2245, 8946), (2485, 8082), (2694, 7455), (2982, 6735), (3143, 6390), (3195, 6286), (4041, 4970), (4473, 4490)]