20925058

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 20546942

約数列:

[1, 2, 7, 11, 14, 22, 47, 49, 59, 77, 94, 98, 118, 154, 329, 343, 413, 517, 539, 649, 658, 686, 826, 1034, 1078, 1298, 2303, 2773, 2891, 3619, 3773, 4543, 4606, 5546, 5782, 7238, 7546, 9086, 16121, 19411, 20237, 25333, 30503, 31801, 32242, 38822, 40474, 50666, 61006, 63602, 135877, 177331, 213521, 222607, 271754, 354662, 427042, 445214, 951139, 1494647, 1902278, 2989294, 10462529, 20925058]

約数ペア:

[(1, 20925058), (2, 10462529), (7, 2989294), (11, 1902278), (14, 1494647), (22, 951139), (47, 445214), (49, 427042), (59, 354662), (77, 271754), (94, 222607), (98, 213521), (118, 177331), (154, 135877), (329, 63602), (343, 61006), (413, 50666), (517, 40474), (539, 38822), (649, 32242), (658, 31801), (686, 30503), (826, 25333), (1034, 20237), (1078, 19411), (1298, 16121), (2303, 9086), (2773, 7546), (2891, 7238), (3619, 5782), (3773, 5546), (4543, 4606)]