20503624

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{613}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 39897720

約数和(自身を除く): 19394096

約数列:

[1, 2, 4, 8, 37, 74, 113, 148, 226, 296, 452, 613, 904, 1226, 2452, 4181, 4904, 8362, 16724, 22681, 33448, 45362, 69269, 90724, 138538, 181448, 277076, 554152, 2562953, 5125906, 10251812, 20503624]

約数ペア:

[(1, 20503624), (2, 10251812), (4, 5125906), (8, 2562953), (37, 554152), (74, 277076), (113, 181448), (148, 138538), (226, 90724), (296, 69269), (452, 45362), (613, 33448), (904, 22681), (1226, 16724), (2452, 8362), (4181, 4904)]