20202210

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{509}}^1$

素因数の和:542

約数の個数: 120

約数和(自身を含む): 63314460

約数和(自身を除く): 43112250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 294, 315, 378, 405, 441, 490, 509, 567, 630, 735, 810, 882, 945, 1018, 1134, 1323, 1470, 1527, 1890, 2205, 2545, 2646, 2835, 3054, 3563, 3969, 4410, 4581, 5090, 5670, 6615, 7126, 7635, 7938, 9162, 10689, 13230, 13743, 15270, 17815, 19845, 21378, 22905, 24941, 27486, 32067, 35630, 39690, 41229, 45810, 49882, 53445, 64134, 68715, 74823, 82458, 96201, 106890, 124705, 137430, 149646, 160335, 192402, 206145, 224469, 249410, 288603, 320670, 374115, 412290, 448938, 481005, 577206, 673407, 748230, 962010, 1122345, 1346814, 1443015, 2020221, 2244690, 2886030, 3367035, 4040442, 6734070, 10101105, 20202210]

約数ペア:

[(1, 20202210), (2, 10101105), (3, 6734070), (5, 4040442), (6, 3367035), (7, 2886030), (9, 2244690), (10, 2020221), (14, 1443015), (15, 1346814), (18, 1122345), (21, 962010), (27, 748230), (30, 673407), (35, 577206), (42, 481005), (45, 448938), (49, 412290), (54, 374115), (63, 320670), (70, 288603), (81, 249410), (90, 224469), (98, 206145), (105, 192402), (126, 160335), (135, 149646), (147, 137430), (162, 124705), (189, 106890), (210, 96201), (245, 82458), (270, 74823), (294, 68715), (315, 64134), (378, 53445), (405, 49882), (441, 45810), (490, 41229), (509, 39690), (567, 35630), (630, 32067), (735, 27486), (810, 24941), (882, 22905), (945, 21378), (1018, 19845), (1134, 17815), (1323, 15270), (1470, 13743), (1527, 13230), (1890, 10689), (2205, 9162), (2545, 7938), (2646, 7635), (2835, 7126), (3054, 6615), (3563, 5670), (3969, 5090), (4410, 4581)]