20534010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 56685312

約数和(自身を除く): 36151302

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 277, 353, 554, 706, 831, 1059, 1385, 1662, 1765, 1939, 2118, 2471, 2770, 3530, 3878, 4155, 4942, 5295, 5817, 7413, 8310, 9695, 10590, 11634, 12355, 14826, 19390, 24710, 29085, 37065, 58170, 74130, 97781, 195562, 293343, 488905, 586686, 684467, 977810, 1368934, 1466715, 2053401, 2933430, 3422335, 4106802, 6844670, 10267005, 20534010]

約数ペア:

[(1, 20534010), (2, 10267005), (3, 6844670), (5, 4106802), (6, 3422335), (7, 2933430), (10, 2053401), (14, 1466715), (15, 1368934), (21, 977810), (30, 684467), (35, 586686), (42, 488905), (70, 293343), (105, 195562), (210, 97781), (277, 74130), (353, 58170), (554, 37065), (706, 29085), (831, 24710), (1059, 19390), (1385, 14826), (1662, 12355), (1765, 11634), (1939, 10590), (2118, 9695), (2471, 8310), (2770, 7413), (3530, 5817), (3878, 5295), (4155, 4942)]