20893312

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 96

約数和(自身を含む): 48837600

約数和(自身を除く): 27944288

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 71, 76, 88, 121, 128, 142, 152, 176, 209, 242, 284, 304, 352, 418, 484, 568, 608, 704, 781, 836, 968, 1136, 1216, 1349, 1408, 1562, 1672, 1936, 2272, 2299, 2432, 2698, 3124, 3344, 3872, 4544, 4598, 5396, 6248, 6688, 7744, 8591, 9088, 9196, 10792, 12496, 13376, 14839, 15488, 17182, 18392, 21584, 24992, 26752, 29678, 34364, 36784, 43168, 49984, 59356, 68728, 73568, 86336, 99968, 118712, 137456, 147136, 163229, 172672, 237424, 274912, 294272, 326458, 474848, 549824, 652916, 949696, 1099648, 1305832, 1899392, 2611664, 5223328, 10446656, 20893312]

約数ペア:

[(1, 20893312), (2, 10446656), (4, 5223328), (8, 2611664), (11, 1899392), (16, 1305832), (19, 1099648), (22, 949696), (32, 652916), (38, 549824), (44, 474848), (64, 326458), (71, 294272), (76, 274912), (88, 237424), (121, 172672), (128, 163229), (142, 147136), (152, 137456), (176, 118712), (209, 99968), (242, 86336), (284, 73568), (304, 68728), (352, 59356), (418, 49984), (484, 43168), (568, 36784), (608, 34364), (704, 29678), (781, 26752), (836, 24992), (968, 21584), (1136, 18392), (1216, 17182), (1349, 15488), (1408, 14839), (1562, 13376), (1672, 12496), (1936, 10792), (2272, 9196), (2299, 9088), (2432, 8591), (2698, 7744), (3124, 6688), (3344, 6248), (3872, 5396), (4544, 4598)]