20916544

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 84

約数和(自身を含む): 47497492

約数和(自身を除く): 26580948

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 73, 74, 88, 121, 146, 148, 176, 242, 292, 296, 352, 407, 484, 584, 592, 704, 803, 814, 968, 1168, 1184, 1606, 1628, 1936, 2336, 2368, 2701, 3212, 3256, 3872, 4477, 4672, 5402, 6424, 6512, 7744, 8833, 8954, 10804, 12848, 13024, 17666, 17908, 21608, 25696, 26048, 29711, 35332, 35816, 43216, 51392, 59422, 70664, 71632, 86432, 118844, 141328, 143264, 172864, 237688, 282656, 286528, 326821, 475376, 565312, 653642, 950752, 1307284, 1901504, 2614568, 5229136, 10458272, 20916544]

約数ペア:

[(1, 20916544), (2, 10458272), (4, 5229136), (8, 2614568), (11, 1901504), (16, 1307284), (22, 950752), (32, 653642), (37, 565312), (44, 475376), (64, 326821), (73, 286528), (74, 282656), (88, 237688), (121, 172864), (146, 143264), (148, 141328), (176, 118844), (242, 86432), (292, 71632), (296, 70664), (352, 59422), (407, 51392), (484, 43216), (584, 35816), (592, 35332), (704, 29711), (803, 26048), (814, 25696), (968, 21608), (1168, 17908), (1184, 17666), (1606, 13024), (1628, 12848), (1936, 10804), (2336, 8954), (2368, 8833), (2701, 7744), (3212, 6512), (3256, 6424), (3872, 5402), (4477, 4672)]