20302856

素因数分解:

$2^3\times 7^5\times {\mathrm{151}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 44706240

約数和(自身を除く): 24403384

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 151, 196, 302, 343, 392, 604, 686, 1057, 1208, 1372, 2114, 2401, 2744, 4228, 4802, 7399, 8456, 9604, 14798, 16807, 19208, 29596, 33614, 51793, 59192, 67228, 103586, 134456, 207172, 362551, 414344, 725102, 1450204, 2537857, 2900408, 5075714, 10151428, 20302856]

約数ペア:

[(1, 20302856), (2, 10151428), (4, 5075714), (7, 2900408), (8, 2537857), (14, 1450204), (28, 725102), (49, 414344), (56, 362551), (98, 207172), (151, 134456), (196, 103586), (302, 67228), (343, 59192), (392, 51793), (604, 33614), (686, 29596), (1057, 19208), (1208, 16807), (1372, 14798), (2114, 9604), (2401, 8456), (2744, 7399), (4228, 4802)]