20159104

素因数分解:

$2^7\times 7^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 46512000

約数和(自身を除く): 26352896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 149, 151, 224, 298, 302, 448, 596, 604, 896, 1043, 1057, 1192, 1208, 2086, 2114, 2384, 2416, 4172, 4228, 4768, 4832, 8344, 8456, 9536, 9664, 16688, 16912, 19072, 19328, 22499, 33376, 33824, 44998, 66752, 67648, 89996, 133504, 135296, 157493, 179992, 314986, 359984, 629972, 719968, 1259944, 1439936, 2519888, 2879872, 5039776, 10079552, 20159104]

約数ペア:

[(1, 20159104), (2, 10079552), (4, 5039776), (7, 2879872), (8, 2519888), (14, 1439936), (16, 1259944), (28, 719968), (32, 629972), (56, 359984), (64, 314986), (112, 179992), (128, 157493), (149, 135296), (151, 133504), (224, 89996), (298, 67648), (302, 66752), (448, 44998), (596, 33824), (604, 33376), (896, 22499), (1043, 19328), (1057, 19072), (1192, 16912), (1208, 16688), (2086, 9664), (2114, 9536), (2384, 8456), (2416, 8344), (4172, 4832), (4228, 4768)]