20912448

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 112

約数和(自身を含む): 60350400

約数和(自身を除く): 39437952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 43, 48, 51, 64, 68, 86, 96, 102, 129, 136, 149, 172, 192, 204, 258, 272, 298, 344, 408, 447, 516, 544, 596, 688, 731, 816, 894, 1032, 1088, 1192, 1376, 1462, 1632, 1788, 2064, 2193, 2384, 2533, 2752, 2924, 3264, 3576, 4128, 4386, 4768, 5066, 5848, 6407, 7152, 7599, 8256, 8772, 9536, 10132, 11696, 12814, 14304, 15198, 17544, 19221, 20264, 23392, 25628, 28608, 30396, 35088, 38442, 40528, 46784, 51256, 60792, 70176, 76884, 81056, 102512, 108919, 121584, 140352, 153768, 162112, 205024, 217838, 243168, 307536, 326757, 410048, 435676, 486336, 615072, 653514, 871352, 1230144, 1307028, 1742704, 2614056, 3485408, 5228112, 6970816, 10456224, 20912448]

約数ペア:

[(1, 20912448), (2, 10456224), (3, 6970816), (4, 5228112), (6, 3485408), (8, 2614056), (12, 1742704), (16, 1307028), (17, 1230144), (24, 871352), (32, 653514), (34, 615072), (43, 486336), (48, 435676), (51, 410048), (64, 326757), (68, 307536), (86, 243168), (96, 217838), (102, 205024), (129, 162112), (136, 153768), (149, 140352), (172, 121584), (192, 108919), (204, 102512), (258, 81056), (272, 76884), (298, 70176), (344, 60792), (408, 51256), (447, 46784), (516, 40528), (544, 38442), (596, 35088), (688, 30396), (731, 28608), (816, 25628), (894, 23392), (1032, 20264), (1088, 19221), (1192, 17544), (1376, 15198), (1462, 14304), (1632, 12814), (1788, 11696), (2064, 10132), (2193, 9536), (2384, 8772), (2533, 8256), (2752, 7599), (2924, 7152), (3264, 6407), (3576, 5848), (4128, 5066), (4386, 4768)]