20343488

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 84

約数和(自身を含む): 46213776

約数和(自身を除く): 25870288

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 71, 74, 88, 121, 142, 148, 176, 242, 284, 296, 352, 407, 484, 568, 592, 704, 781, 814, 968, 1136, 1184, 1562, 1628, 1936, 2272, 2368, 2627, 3124, 3256, 3872, 4477, 4544, 5254, 6248, 6512, 7744, 8591, 8954, 10508, 12496, 13024, 17182, 17908, 21016, 24992, 26048, 28897, 34364, 35816, 42032, 49984, 57794, 68728, 71632, 84064, 115588, 137456, 143264, 168128, 231176, 274912, 286528, 317867, 462352, 549824, 635734, 924704, 1271468, 1849408, 2542936, 5085872, 10171744, 20343488]

約数ペア:

[(1, 20343488), (2, 10171744), (4, 5085872), (8, 2542936), (11, 1849408), (16, 1271468), (22, 924704), (32, 635734), (37, 549824), (44, 462352), (64, 317867), (71, 286528), (74, 274912), (88, 231176), (121, 168128), (142, 143264), (148, 137456), (176, 115588), (242, 84064), (284, 71632), (296, 68728), (352, 57794), (407, 49984), (484, 42032), (568, 35816), (592, 34364), (704, 28897), (781, 26048), (814, 24992), (968, 21016), (1136, 17908), (1184, 17182), (1562, 13024), (1628, 12496), (1936, 10508), (2272, 8954), (2368, 8591), (2627, 7744), (3124, 6512), (3256, 6248), (3872, 5254), (4477, 4544)]