20559352

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 43139880

約数和(自身を除く): 22580528

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 121, 134, 242, 268, 317, 484, 536, 634, 737, 968, 1268, 1474, 2536, 2948, 3487, 5896, 6974, 8107, 13948, 16214, 21239, 27896, 32428, 38357, 42478, 64856, 76714, 84956, 153428, 169912, 233629, 306856, 467258, 934516, 1869032, 2569919, 5139838, 10279676, 20559352]

約数ペア:

[(1, 20559352), (2, 10279676), (4, 5139838), (8, 2569919), (11, 1869032), (22, 934516), (44, 467258), (67, 306856), (88, 233629), (121, 169912), (134, 153428), (242, 84956), (268, 76714), (317, 64856), (484, 42478), (536, 38357), (634, 32428), (737, 27896), (968, 21239), (1268, 16214), (1474, 13948), (2536, 8107), (2948, 6974), (3487, 5896)]