20556954

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^3$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 49645440

約数和(自身を除く): 29088486

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 47, 66, 94, 99, 141, 198, 282, 423, 517, 846, 1034, 1551, 2209, 3102, 4418, 4653, 6627, 9306, 13254, 19881, 24299, 39762, 48598, 72897, 103823, 145794, 207646, 218691, 311469, 437382, 622938, 934407, 1142053, 1868814, 2284106, 3426159, 6852318, 10278477, 20556954]

約数ペア:

[(1, 20556954), (2, 10278477), (3, 6852318), (6, 3426159), (9, 2284106), (11, 1868814), (18, 1142053), (22, 934407), (33, 622938), (47, 437382), (66, 311469), (94, 218691), (99, 207646), (141, 145794), (198, 103823), (282, 72897), (423, 48598), (517, 39762), (846, 24299), (1034, 19881), (1551, 13254), (2209, 9306), (3102, 6627), (4418, 4653)]