20374728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1178

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 36027192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 71, 88, 132, 142, 213, 264, 284, 426, 568, 781, 852, 1087, 1562, 1704, 2174, 2343, 3124, 3261, 4348, 4686, 6248, 6522, 8696, 9372, 11957, 13044, 18744, 23914, 26088, 35871, 47828, 71742, 77177, 95656, 143484, 154354, 231531, 286968, 308708, 463062, 617416, 848947, 926124, 1697894, 1852248, 2546841, 3395788, 5093682, 6791576, 10187364, 20374728]

約数ペア:

[(1, 20374728), (2, 10187364), (3, 6791576), (4, 5093682), (6, 3395788), (8, 2546841), (11, 1852248), (12, 1697894), (22, 926124), (24, 848947), (33, 617416), (44, 463062), (66, 308708), (71, 286968), (88, 231531), (132, 154354), (142, 143484), (213, 95656), (264, 77177), (284, 71742), (426, 47828), (568, 35871), (781, 26088), (852, 23914), (1087, 18744), (1562, 13044), (1704, 11957), (2174, 9372), (2343, 8696), (3124, 6522), (3261, 6248), (4348, 4686)]